ATM Simulator In Java

ATM Simulator In Java

In this article, we will build an ATM Simulator In Java with the help of Swing. There are two aspects of this application, the first is as a Customer and the second is as an Admin.

Features:

  • As an admin, we can register a new user, update an existing account, delete an account and view the record of any account.
  • As a customer, we can deposit money, withdraw money, check the balance, transfer the money to another account and print a receipt.

Project overview: ATM Simulator In Java

Project Name:ATM Simulator in Java
Abstract:It’s a GUI-based project used with the swing library to organize all the elements that work under the ATM simulator application.
Language Used:Java
IDE:NetBeans
Database:None
Type:Desktop Application
Recommended for:Intermediate of Java

Coding GUI ATM Simulator in Java:

ArrayList in Java is used to keep track of registered users and to do different operations on these user accounts. When the program runs at first, we need to register a user with the desired name, pin, and account opening balance. Then we can use this user information to login into the system and do different operations like checking balance, depositing, or withdrawing money.

Create a folder for the project and keep these two files in it.

  • ATM.java – for the core logic and some parts of the GUI
  • ATM.form – for creating the GUI of registration and login

Code for ATM.java file

import java.util.*;
import java.text.SimpleDateFormat;
import javax.swing.*;


class CUSTOMER extends JFrame {

    ATM var;

    public CUSTOMER(ATM a) {
        var = a;
        this.user = new ArrayList<Customer_Data>();
        initComponents();
    }
    List<Customer_Data> user;

    boolean onlyContainsNumbers(String text) {
        try {
            Long.parseLong(text);
            return true;
        } catch (NumberFormatException ex) {
            return false;
        }
    }

    // fast cash method 
    public void fastCash() { 
        int ab;
        String[] s10 = {"500", "1000", "2000", "5000", "10000", "15000", "20000", ""};
        s10[7] = (String) JOptionPane.showInputDialog(null, "Select Type...", "Account Type", JOptionPane.QUESTION_MESSAGE, null, s10, s10[0]);

        switch (s10[7]) {
            // if user select 500, we check if the user have enough balance to withdraw 500
            case "500":
                if (var.var1.startingBalance > 500 && var.var1.startingBalance > 0) { 
                    var.var1.startingBalance = var.var1.startingBalance - 500;
                    JOptionPane.showMessageDialog(null, "Cash Successfully Withdrawn! ", "Account information", JOptionPane.PLAIN_MESSAGE);

                    ab = JOptionPane.showConfirmDialog(null, "Do you wish to print a receipt?", "Warning", JOptionPane.YES_NO_OPTION, JOptionPane.INFORMATION_MESSAGE);
                    if (ab == 0) {
                        JOptionPane.showMessageDialog(null, "Account #" + var.var1.accountNum + "\nDate: " + new SimpleDateFormat("MM/dd/yyyy").format(Calendar.getInstance().getTime()) + "\nWithdrawn: " + "500" + "\nBalance: " + var.var1.startingBalance, "Account information", JOptionPane.INFORMATION_MESSAGE);
                    }
                } else {
                    JOptionPane.showMessageDialog(null, "You do not have enough Amount\nCurrent Amount : " + var.var1.startingBalance, "Account information", JOptionPane.ERROR_MESSAGE);
                }
                break;
            // if user select 1000, we check if the user have enough balance to withdraw 1000
            case "1000":
                if (var.var1.startingBalance > 1000 && var.var1.startingBalance > 0) {
                    var.var1.startingBalance = var.var1.startingBalance - 1000;
                    JOptionPane.showMessageDialog(null, "Cash Successfully Withdrawn! ", "Account information", JOptionPane.PLAIN_MESSAGE);

                    ab = JOptionPane.showConfirmDialog(null, "Do you wish to print a receipt?", "Warning", JOptionPane.YES_NO_OPTION, JOptionPane.INFORMATION_MESSAGE);
                    if (ab == 0) {
                        JOptionPane.showMessageDialog(null, "Account #" + var.var1.accountNum + "\nDate: " + new SimpleDateFormat("MM/dd/yyyy").format(Calendar.getInstance().getTime()) + "\nWithdrawn: " + "1000" + "\nBalance: " + var.var1.startingBalance, "Account information", JOptionPane.INFORMATION_MESSAGE);
                    }
                } else {
                    JOptionPane.showMessageDialog(null, "You do not have enough Amount\nCurrent Amount : " + var.var1.startingBalance, "Account information", JOptionPane.ERROR_MESSAGE);
                }
                break;
            // if user select 2000, we check if the user have enough balance to withdraw 2000, and so on
            case "2000":
                if (var.var1.startingBalance > 2000 && var.var1.startingBalance > 0) {
                    var.var1.startingBalance = var.var1.startingBalance - 2000;
                    JOptionPane.showMessageDialog(null, "Cash Successfully Withdrawn! ", "Account information", JOptionPane.PLAIN_MESSAGE);

                    ab = JOptionPane.showConfirmDialog(null, "Do you wish to print a receipt?", "Warning", JOptionPane.YES_NO_OPTION, JOptionPane.INFORMATION_MESSAGE);
                    if (ab == 0) {
                        JOptionPane.showMessageDialog(null, "Account #" + var.var1.accountNum + "\nDate: " + new SimpleDateFormat("MM/dd/yyyy").format(Calendar.getInstance().getTime()) + "\nWithdrawn: " + "2000" + "\nBalance: " + var.var1.startingBalance, "Account information", JOptionPane.INFORMATION_MESSAGE);
                    }
                } else {
                    JOptionPane.showMessageDialog(null, "You do not have enough Amount\nCurrent Amount : " + var.var1.startingBalance, "Account information", JOptionPane.ERROR_MESSAGE);
                }
                break;
            case "5000":
                if (var.var1.startingBalance > 5000 && var.var1.startingBalance > 0) {
                    var.var1.startingBalance = var.var1.startingBalance - 5000;
                    JOptionPane.showMessageDialog(null, "Cash Successfully Withdrawn! ", "Account information", JOptionPane.PLAIN_MESSAGE);

                    ab = JOptionPane.showConfirmDialog(null, "Do you wish to print a receipt?", "Warning", JOptionPane.YES_NO_OPTION, JOptionPane.INFORMATION_MESSAGE);
                    if (ab == 0) {
                        JOptionPane.showMessageDialog(null, "Account #" + var.var1.accountNum + "\nDate: " + new SimpleDateFormat("MM/dd/yyyy").format(Calendar.getInstance().getTime()) + "\nWithdrawn: " + "5000" + "\nBalance: " + var.var1.startingBalance, "Account information", JOptionPane.INFORMATION_MESSAGE);
                    }
                } else {
                    JOptionPane.showMessageDialog(null, "You do not have enough Amount\nCurrent Amount : " + var.var1.startingBalance, "Account information", JOptionPane.ERROR_MESSAGE);
                }
                break;
            case "10000":
                if (var.var1.startingBalance > 10000 && var.var1.startingBalance > 0) {
                    var.var1.startingBalance = var.var1.startingBalance - 10000;
                    JOptionPane.showMessageDialog(null, "Cash Successfully Withdrawn! ", "Account information", JOptionPane.PLAIN_MESSAGE);

                    ab = JOptionPane.showConfirmDialog(null, "Do you wish to print a receipt?", "Warning", JOptionPane.YES_NO_OPTION, JOptionPane.INFORMATION_MESSAGE);
                    
                    if (ab == 0) {
                        JOptionPane.showMessageDialog(null, "Account #" + var.var1.accountNum + "\nDate: " + new SimpleDateFormat("MM/dd/yyyy").format(Calendar.getInstance().getTime()) + "\nWithdrawn: " + "10000" + "\nBalance: " + var.var1.startingBalance, "Account information", JOptionPane.INFORMATION_MESSAGE);
                    }
                } else {
                    JOptionPane.showMessageDialog(null, "You do not have enough Amount\nCurrent Amount : " + var.var1.startingBalance, "Account information", JOptionPane.ERROR_MESSAGE);
                }
                break;
            case "15000":
                if (var.var1.startingBalance > 15000 && var.var1.startingBalance > 0) {
                    var.var1.startingBalance = var.var1.startingBalance - 15000;
                    JOptionPane.showMessageDialog(null, "Cash Successfully Withdrawn! ", "Account information", JOptionPane.PLAIN_MESSAGE);

                    ab = JOptionPane.showConfirmDialog(null, "Do you wish to print a receipt?", "Warning", JOptionPane.YES_NO_OPTION, JOptionPane.INFORMATION_MESSAGE);
                    
                    if (ab == 0) {
                        JOptionPane.showMessageDialog(null, "Account #" + var.var1.accountNum + "\nDate: " + new SimpleDateFormat("MM/dd/yyyy").format(Calendar.getInstance().getTime()) + "\nWithdrawn: " + "15000" + "\nBalance: " + var.var1.startingBalance, "Account information", JOptionPane.INFORMATION_MESSAGE);
                    }
                } else {
                    JOptionPane.showMessageDialog(null, "You do not have enough Amount\nCurrent Amount : " + var.var1.startingBalance, "Account information", JOptionPane.ERROR_MESSAGE);
                }
                break;
            case "20000":
                if (var.var1.startingBalance > 20000 && var.var1.startingBalance > 0) {
                    var.var1.startingBalance = var.var1.startingBalance - 20000;
                    JOptionPane.showMessageDialog(null, "Cash Successfully Withdrawn! ", "Account information", JOptionPane.PLAIN_MESSAGE);

                    ab = JOptionPane.showConfirmDialog(null, "Do you wish to print a receipt?", "Warning", JOptionPane.YES_NO_OPTION, JOptionPane.INFORMATION_MESSAGE);
                    
                    if (ab == 0) {
                        JOptionPane.showMessageDialog(null, "Account #" + var.var1.accountNum + "\nDate: " + new SimpleDateFormat("MM/dd/yyyy").format(Calendar.getInstance().getTime()) + "\nWithdrawn: " + "20000" + "\nBalance: " + var.var1.startingBalance, "Account information", JOptionPane.INFORMATION_MESSAGE);
                    }
                } else {
                    JOptionPane.showMessageDialog(null, "You do not have enough Amount\nCurrent Amount : " + var.var1.startingBalance, "Account information", JOptionPane.ERROR_MESSAGE);
                }
                break;
        }
    }

    // this method is responsible for the transfer of money from one account to another
    public void cashTransfer() {
        user = var.user1;
        int account1 = 0;
        int amount = 0, account = 0;
        String s;
        do {
            s = JOptionPane.showInputDialog(null, "Enter amount you want to transfer ");
            if (onlyContainsNumbers(s)) {
                amount = Integer.parseInt(s);
            } else {
                JOptionPane.showMessageDialog(null, "Please Enter digits only..", "Cash Transfer", JOptionPane.ERROR_MESSAGE);
            }
        } while (!onlyContainsNumbers(s));
        
        if (amount < var.var1.startingBalance) { // checks if the amount is less than the balance
            String s1;
            // this loop is responsible for checking if the account number is valid
            do {
                s1 = JOptionPane.showInputDialog(null, "Enter the account number to which you want to transfer: ");
                if (onlyContainsNumbers(s1)) {
                    account = Integer.parseInt(s1);
                } else {
                    JOptionPane.showMessageDialog(null, "Please Enter digits only..", "Cash Transfer", JOptionPane.ERROR_MESSAGE);
                }
            } while (!onlyContainsNumbers(s1));

            if (account != var.var1.accountNum) {
                boolean found = false;
                for (int i = 0; i < user.size(); i++) { 
                    Customer_Data var2 = user.get(i);
                    if (var2.accountNum == account) { // checks if the account number is valid
                        int ab = JOptionPane.showConfirmDialog(null, "You wish to transfer Rs  " + amount + " in account held by" + var2.name, "Warning", JOptionPane.YES_NO_OPTION, JOptionPane.WARNING_MESSAGE);
                        if (ab == 0) { // checks if the user wants to proceed with the transaction
                            String s2;
                            do {
                                s2 = JOptionPane.showInputDialog(null, "Please re-enter the account number to which you want to transfer: ");
                                if (onlyContainsNumbers(s1)) {
                                    account1 = Integer.parseInt(s2);
                                } else {
                                    JOptionPane.showMessageDialog(null, "Please Enter digits only..", "Cash Transfer", JOptionPane.ERROR_MESSAGE);
                                }
                            } while (!onlyContainsNumbers(s2));
                            if (account == account1) { 
                                var2.startingBalance = var2.startingBalance + amount;
                                var.var1.startingBalance = var.var1.startingBalance - amount;
                                JOptionPane.showMessageDialog(null, "Transaction confirmed.\n", "Cash Transfer", JOptionPane.INFORMATION_MESSAGE);
                                int ab1 = JOptionPane.showConfirmDialog(null, "Do you wish to print a receipt?", "Cash Transfer", JOptionPane.YES_NO_OPTION, JOptionPane.INFORMATION_MESSAGE);
                                if (ab1 == 0) {
                                    JOptionPane.showMessageDialog(null, "Account #" + var.var1.accountNum + "\nDate: " + new SimpleDateFormat("MM/dd/yyyy").format(Calendar.getInstance().getTime()) + "\nAmount Transferred:  " + amount + "\nBalance: " + var.var1.startingBalance, "Account information", JOptionPane.INFORMATION_MESSAGE);

                                }
                            }
                        }
                        found = true;
                    }
                }
                if (!found) {
                    JOptionPane.showMessageDialog(null, "Not Found", "Cash Transfer", JOptionPane.ERROR_MESSAGE);
                }
            } else {
                JOptionPane.showMessageDialog(null, "Please select other account instead of this account", "Cash Transfer", JOptionPane.ERROR_MESSAGE);
            }
        } else {
            JOptionPane.showMessageDialog(null, "you do not have enough cash for transfer.\nYour current cash is " + var.var1.startingBalance, "Cash Transfer", JOptionPane.ERROR_MESSAGE);
        }
    }

    // this method is responsible for the withdraw of money from the account
    public void cashWithdrawal() {
        int amount = 0;
        String s = JOptionPane.showInputDialog(null, "Enter amount you want to Withdrawal ");
        if (onlyContainsNumbers(s)) { // checks if the amount is valid
            amount = Integer.parseInt(s);
         
        if (amount < 20000 && amount < var.var1.startingBalance) { // checks if the amount is less than the balance 
            var.var1.startingBalance = var.var1.startingBalance - amount;
            JOptionPane.showMessageDialog(null, "Cash Successfully Withdrawn! ", "Account information", JOptionPane.PLAIN_MESSAGE);
            int ab = JOptionPane.showConfirmDialog(null, "Do you wish to print a receipt?", "Warning", JOptionPane.YES_NO_OPTION, JOptionPane.INFORMATION_MESSAGE);
            if (ab == 0) {
                JOptionPane.showMessageDialog(null, "Account #" + var.var1.accountNum + "\nDate: " + new SimpleDateFormat("MM/dd/yyyy").format(Calendar.getInstance().getTime()) + "\nWithdrawn: " + amount + "\nBalance: " + var.var1.startingBalance, "Account information", JOptionPane.INFORMATION_MESSAGE);
            }

        } else { 
            JOptionPane.showMessageDialog(null, "You cannot withdrawal amount more then 20000 ", "Account information", JOptionPane.ERROR_MESSAGE);
        }
    }else {
            JOptionPane.showMessageDialog(null, "Please Enter digits only..", "Cash Withdrawal", JOptionPane.ERROR_MESSAGE);
        }
    }

    // this method is responsible for the deposit of money in the account
    public void depositAmount() {
        int amount = 0;
        String s = JOptionPane.showInputDialog(null, "Enter the cash Amount you want to deposit ");

        if (onlyContainsNumbers(s)) { // checks if the amount is valid
            amount = Integer.parseInt(s);
        
        var.var1.startingBalance = var.var1.startingBalance + amount; // adds the amount to the balance
        JOptionPane.showMessageDialog(null, "Cash Deposited Successfully.", "Deposit Cash ", JOptionPane.PLAIN_MESSAGE);
        int ab = JOptionPane.showConfirmDialog(null, "Do you wish to print a receipt?", "Warning", JOptionPane.YES_NO_OPTION, JOptionPane.INFORMATION_MESSAGE);
        if (ab == 0) { // checks if the user wants to print the receipt
            JOptionPane.showMessageDialog(null, "Account #" + var.var1.accountNum + "\nDate: " + new SimpleDateFormat("MM/dd/yyyy").format(Calendar.getInstance().getTime()) + "\nDeposited: " + amount + "\nBalance: " + var.var1.startingBalance, "Account information", JOptionPane.INFORMATION_MESSAGE);
        }
    }else {
            JOptionPane.showMessageDialog(null, "Please Enter digits only..", "Cash Withdrawal", JOptionPane.ERROR_MESSAGE);
        }
    }

    // this method is responsible for the display of the account information
    public void getCash() {
        JOptionPane.showMessageDialog(null, "Account #" + var.var1.accountNum + "\nDate: " + new SimpleDateFormat("MM/dd/yyyy").format(Calendar.getInstance().getTime()) + "\nBalance: " + var.var1.startingBalance, "Account information", JOptionPane.INFORMATION_MESSAGE);
    }

    // this method is to create the UI of the customer panel
    void initComponents() {

        buttonGroup1 = new javax.swing.ButtonGroup();
        jPanel1 = new javax.swing.JPanel();
        jButton1 = new javax.swing.JButton();
        jButton2 = new javax.swing.JButton();
        jButton3 = new javax.swing.JButton();
        jButton4 = new javax.swing.JButton();
        jButton5 = new javax.swing.JButton();
        jButton6 = new javax.swing.JButton();
        jLabel1 = new javax.swing.JLabel();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        setResizable(false);

        jPanel1.setBackground(new java.awt.Color(102, 0, 204));

        jButton1.setBackground(new java.awt.Color(204, 51, 255));
        jButton1.setFont(new java.awt.Font("Tahoma", 1, 14)); 
        jButton1.setForeground(new java.awt.Color(255, 255, 255));
        jButton1.setText("Deposit Cash");
        jButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton1ActionPerformed(evt);
            }
        });

        jButton2.setBackground(new java.awt.Color(204, 51, 255));
        jButton2.setFont(new java.awt.Font("Tahoma", 1, 14)); 
        jButton2.setForeground(new java.awt.Color(255, 255, 255));
        jButton2.setText("Transfer Cash");
        jButton2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton2ActionPerformed(evt);
            }
        });

        jButton3.setBackground(new java.awt.Color(204, 51, 255));
        jButton3.setFont(new java.awt.Font("Tahoma", 1, 14));
        jButton3.setForeground(new java.awt.Color(255, 255, 255));
        jButton3.setText("Withdrawal Cash");
        jButton3.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton3ActionPerformed(evt);
            }
        });

        jButton4.setBackground(new java.awt.Color(204, 51, 255));
        jButton4.setFont(new java.awt.Font("Tahoma", 1, 14));
        jButton4.setForeground(new java.awt.Color(255, 255, 255));
        jButton4.setText("Get Cash");
        jButton4.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton4ActionPerformed(evt);
            }
        });

        jButton5.setBackground(new java.awt.Color(204, 51, 255));
        jButton5.setFont(new java.awt.Font("Tahoma", 1, 14));
        jButton5.setForeground(new java.awt.Color(255, 255, 255)); 
        jButton5.setText("Exit");
        jButton5.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton5ActionPerformed(evt);
            }
        });

        jButton6.setBackground(new java.awt.Color(204, 51, 255));
        jButton6.setFont(new java.awt.Font("Tahoma", 1, 14)); 
        jButton6.setForeground(new java.awt.Color(255, 255, 255));
        jButton6.setText("Fast Cash");
        jButton6.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton6ActionPerformed(evt);
            }
        });

        jLabel1.setFont(new java.awt.Font("Tahoma", 1, 18));
        jLabel1.setForeground(new java.awt.Color(255, 255, 255));
        jLabel1.setText("Customer Portal");

        GroupLayout jPanel1Layout = new GroupLayout(jPanel1);
        jPanel1.setLayout(jPanel1Layout);
        jPanel1Layout.setHorizontalGroup(
            jPanel1Layout.createParallelGroup(GroupLayout.Alignment.LEADING)
            .addGroup(jPanel1Layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(jPanel1Layout.createParallelGroup(GroupLayout.Alignment.LEADING, false)
                    .addComponent(jButton5, GroupLayout.DEFAULT_SIZE, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                    .addComponent(jButton3, GroupLayout.Alignment.TRAILING, GroupLayout.DEFAULT_SIZE, 185, Short.MAX_VALUE)
                    .addComponent(jButton1, GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
                .addGap(18, 18, 18)
                .addGroup(jPanel1Layout.createParallelGroup(GroupLayout.Alignment.LEADING)
                    .addComponent(jButton2, GroupLayout.Alignment.TRAILING, GroupLayout.DEFAULT_SIZE, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                    .addComponent(jButton4, GroupLayout.Alignment.TRAILING, GroupLayout.DEFAULT_SIZE, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                    .addComponent(jButton6, GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
                .addContainerGap())
            .addGroup(GroupLayout.Alignment.TRAILING, jPanel1Layout.createSequentialGroup()
                .addContainerGap(106, Short.MAX_VALUE)
                .addComponent(jLabel1, GroupLayout.PREFERRED_SIZE, 208, GroupLayout.PREFERRED_SIZE)
                .addGap(103, 103, 103))
        );
        jPanel1Layout.setVerticalGroup(
            jPanel1Layout.createParallelGroup(GroupLayout.Alignment.LEADING)
            .addGroup(jPanel1Layout.createSequentialGroup()
                .addGap(27, 27, 27)
                .addComponent(jLabel1, GroupLayout.PREFERRED_SIZE, 61, GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 31, Short.MAX_VALUE)
                .addGroup(jPanel1Layout.createParallelGroup(GroupLayout.Alignment.BASELINE)
                    .addComponent(jButton2, GroupLayout.PREFERRED_SIZE, 56, GroupLayout.PREFERRED_SIZE)
                    .addComponent(jButton1, GroupLayout.PREFERRED_SIZE, 56, GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                .addGroup(jPanel1Layout.createParallelGroup(GroupLayout.Alignment.BASELINE)
                    .addComponent(jButton4, GroupLayout.PREFERRED_SIZE, 56, GroupLayout.PREFERRED_SIZE)
                    .addComponent(jButton3, GroupLayout.PREFERRED_SIZE, 56, GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                .addGroup(jPanel1Layout.createParallelGroup(GroupLayout.Alignment.BASELINE)
                    .addComponent(jButton5, GroupLayout.PREFERRED_SIZE, 56, GroupLayout.PREFERRED_SIZE)
                    .addComponent(jButton6, GroupLayout.PREFERRED_SIZE, 56, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addContainerGap())
        );

        GroupLayout layout = new GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addComponent(jPanel1, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(0, 0, Short.MAX_VALUE))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(GroupLayout.Alignment.LEADING)
            .addComponent(jPanel1, GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
        );

        pack();
    }

    void jButton4ActionPerformed(java.awt.event.ActionEvent evt) {
        getCash();
    }

    void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
        depositAmount();
    }

    void jButton3ActionPerformed(java.awt.event.ActionEvent evt) {
        cashWithdrawal();
    }

    void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {
        cashTransfer();
    }

    void jButton5ActionPerformed(java.awt.event.ActionEvent evt) {
        this.setVisible(false);
    }

    void jButton6ActionPerformed(java.awt.event.ActionEvent evt) {
        fastCash();
    }

    // initializes the customer panel
    public static void main(String args[]) throws ClassNotFoundException, InstantiationException, IllegalAccessException, UnsupportedLookAndFeelException {
        
            for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
                if ("Nimbus".equals(info.getName())) {
                    javax.swing.UIManager.setLookAndFeel(info.getClassName());
                    break;
                }
            }
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
            }
        });
    }

    ButtonGroup buttonGroup1;
    JButton jButton1;
    JButton jButton2;
    JButton jButton3;
    JButton jButton4;
    JButton jButton5;
    JButton jButton6;
    JLabel jLabel1;
    JPanel jPanel1;
}

class Customer_Data {

    public int accountNum, startingBalance = 0, accountNum1;
    public String pincode = "", name = "", type = "", pincode1 = "", name1 = "", login = "", login1 = "",date;
    public Object status;
}

// this class is used to display and perform operation the customer panel
class ADMIN extends JFrame {

    ATM l;

    public ADMIN(ATM data) {
        this.user = new ArrayList<Customer_Data>();
        l = data;
        initComponents();
    }

    List<Customer_Data> user;

    // this method is used to update the existing account
    public void updateAccount() {

        String s00 = "", s0 = "";
        s0 = JOptionPane.showInputDialog("\tSelect Option for update Account\n1- Account Number\n2-Holder Name\n3-Account Type  ", s00);
        switch (s0) {
            case "1":
                updateAccountNo();
                break;
            case "2":
                updateAccountName();
                break;
            case "3":
                updateAccountType();
                break;
            default:
                JOptionPane.showMessageDialog(null, "Invalid Option ", "Error", JOptionPane.ERROR_MESSAGE);
                break;
        }
    }

    // this method is used to update the account holder name
    public void updateAccountName() {
        String s1 = "", s2 = "";
        s1 = JOptionPane.showInputDialog("Enter Account Name u want to Update ", s2);
        boolean found = false;
        String[] columns = new String[]{"Account Number", "Name", "Pincode",
            "User Login", "Balance", "Status", "Type", "Date"};
        Object[][] rows = new Object[1][columns.length];
        for (int i = 0; i < user.size(); i++) {
            Customer_Data var = user.get(i);
            if (var.name.equals(s1)) {

                rows[0] = new Object[]{var.accountNum, var.name, var.pincode,
                    var.login, var.startingBalance, var.status, var.type, var.date};
                JOptionPane.showMessageDialog(null, new JScrollPane(new JTable(rows, columns)), "Account information", JOptionPane.PLAIN_MESSAGE);
                int a = JOptionPane.showConfirmDialog(null, "You want to update this account  ", "Warning", JOptionPane.YES_NO_OPTION, JOptionPane.WARNING_MESSAGE);
                if (a == 0) {
                    rows[0] = new Object[]{var.accountNum, var.name, var.pincode,
                        var.login, var.startingBalance, var.status, var.type, var.date};
                    JOptionPane.showMessageDialog(null, new JScrollPane(new JTable(rows, columns)), "Account information", JOptionPane.PLAIN_MESSAGE);
                    String[] s0 = {"Current", "Savings"};
                    String[] s01 = {"Active", "Deactive"};
                    String s = "";
                    String ab = "";
                    var.login1 = JOptionPane.showInputDialog("Enter User Login", ab);
                    if (var.login1.equals("")) {
                        var.login = var.login;

                    } else {
                        var.login = var.login1;
                    }
                    do {
                        var.name1 = JOptionPane.showInputDialog("Enter Name", s);
                        if (var.name1.equals("")) {
                            var.name = var.name;
                            break;
                        }
                        if (var.name1.matches("[a-zA-Z]+")) {
                            var.name = var.name1;
                            break;
                        } else {
                            JOptionPane.showMessageDialog(null, "Enter invalid name ", "Invalid input", JOptionPane.ERROR_MESSAGE);
                        }
                    } while (!var.name1.matches("[a-zA-Z]+"));
                    String s11 = "";

                    do {
                        var.pincode1 = JOptionPane.showInputDialog("Enter 5 digit PinCode", s11);
                        if (var.pincode1.matches("[0-9]{5}")) {
                            var.pincode = var.pincode1;
                            break;
                        }
                        if (var.pincode1.equals("")) {
                            var.pincode = var.pincode;
                            break;
                        } else {
                            JOptionPane.showMessageDialog(null, "Please Enter 5 digit pincode ", "Invalid input", JOptionPane.ERROR_MESSAGE);
                        }

                    } while (!var.pincode1.matches("[0-9]{5}"));
                    var.status = (String) JOptionPane.showInputDialog(null, "Select Status...", "Status", JOptionPane.QUESTION_MESSAGE, null, s01, s01[0]);
                    var.type = (String) JOptionPane.showInputDialog(null, "Select Type...", "Type", JOptionPane.QUESTION_MESSAGE, null, s0, s0[0]);
                    JOptionPane.showMessageDialog(null, "Account Successfully Updated... ", "Account Information", JOptionPane.PLAIN_MESSAGE);
                    String[] columnss = new String[]{"Account Number", "Name", "Pincode",
                        "User Login", "Balance", "Status", "Type", "Date"};
                    Object[][] rowss = new Object[1][columnss.length];
                    rowss[0] = new Object[]{var.accountNum, var.name, var.pincode,
                        var.login, var.startingBalance, var.status, var.type, var.date};
                    JOptionPane.showMessageDialog(null, new JScrollPane(new JTable(rowss, columnss)), "Account information", JOptionPane.PLAIN_MESSAGE);
                    found = true;
                } else if (a == 1) {
                    JOptionPane.showMessageDialog(null, "Account Not updated", "Account information", JOptionPane.PLAIN_MESSAGE);
                    JOptionPane.showMessageDialog(null, new JScrollPane(new JTable(rows, columns)), "Account information", JOptionPane.PLAIN_MESSAGE);
                    found = true;
                }
            }

        }
        if (!found) {
            JOptionPane.showMessageDialog(null, "Account not found");
        }
    }

    // this method is used to update the account type
    public void updateAccountType() {
        String[] s10 = {"Current", "Savings", ""};
        s10[2] = (String) JOptionPane.showInputDialog(null, "Select Type...", "Account Type", JOptionPane.QUESTION_MESSAGE, null, s10, s10[0]);
        boolean found = false;
        String[] columns = new String[]{"Account Number", "Name", "Pincode",
            "User Login", "Balance", "Status", "Type", "Date"};
        Object[][] rows = new Object[1][columns.length];
        for (int i = 0; i < user.size(); i++) {
            Customer_Data var = user.get(i);
            if (var.type.equals(s10[2])) {

                rows[0] = new Object[]{var.accountNum, var.name, var.pincode,
                    var.login, var.startingBalance, var.status, var.type, var.date};
                JOptionPane.showMessageDialog(null, new JScrollPane(new JTable(rows, columns)), "Account information", JOptionPane.PLAIN_MESSAGE);
                int a = JOptionPane.showConfirmDialog(null, "You want to update this account  ", "Warning", JOptionPane.YES_NO_OPTION, JOptionPane.WARNING_MESSAGE);
                if (a == 0) {
                    rows[0] = new Object[]{var.accountNum, var.name, var.pincode,
                        var.login, var.startingBalance, var.status, var.type, var.date};
                    JOptionPane.showMessageDialog(null, new JScrollPane(new JTable(rows, columns)), "Account information", JOptionPane.PLAIN_MESSAGE);
                    String[] s0 = {"Current", "Savings"};
                    String[] s01 = {"Active", "Deactive"};
                    String s = "";
                    String ab = "";
                    var.login1 = JOptionPane.showInputDialog("Enter User Login", ab);
                    if (var.login1.equals("")) {
                        var.login = var.login;

                    } else {
                        var.login = var.login1;
                    }
                    do {
                        var.name1 = JOptionPane.showInputDialog("Enter Name", s);
                        if (var.name1.equals("")) {
                            var.name = var.name;
                            break;
                        }
                        if (var.name1.matches("[a-zA-Z]+")) {
                            var.name = var.name1;
                            break;
                        } else {
                            JOptionPane.showMessageDialog(null, "Enter invalid name ", "Invalid input", JOptionPane.ERROR_MESSAGE);
                        }
                    } while (!var.name1.matches("[a-zA-Z]+"));
                    String s11 = "";

                    do {
                        var.pincode1 = JOptionPane.showInputDialog("Enter 5 digit PinCode", s11);
                        if (var.pincode1.matches("[0-9]{5}")) {
                            var.pincode = var.pincode1;
                            break;
                        }
                        if (var.pincode1.equals("")) {
                            var.pincode = var.pincode;
                            break;
                        } else {
                            JOptionPane.showMessageDialog(null, "Please Enter 5 digit pincode ", "Invalid input", JOptionPane.ERROR_MESSAGE);
                        }

                    } while (!var.pincode1.matches("[0-9]{5}"));
                    var.status = (String) JOptionPane.showInputDialog(null, "Select Status...", "Status", JOptionPane.QUESTION_MESSAGE, null, s01, s01[0]);
                    var.type = (String) JOptionPane.showInputDialog(null, "Select Type...", "Type", JOptionPane.QUESTION_MESSAGE, null, s0, s0[0]);
                    JOptionPane.showMessageDialog(null, "Account Successfully Updated... ", "Account Information", JOptionPane.PLAIN_MESSAGE);
                    String[] columnss = new String[]{"Account Number", "Name", "Pincode",
                        "User Login", "Balance", "Status", "Type", "Date"};
                    Object[][] rowss = new Object[1][columnss.length];
                    rowss[0] = new Object[]{var.accountNum, var.name, var.pincode,
                        var.login, var.startingBalance, var.status, var.type, var.date};
                    JOptionPane.showMessageDialog(null, new JScrollPane(new JTable(rowss, columnss)), "Account information", JOptionPane.PLAIN_MESSAGE);
                    found = true;
                } else if (a == 1) {
                    JOptionPane.showMessageDialog(null, "Account Not updated", "Account information", JOptionPane.PLAIN_MESSAGE);
                    JOptionPane.showMessageDialog(null, new JScrollPane(new JTable(rows, columns)), "Account information", JOptionPane.PLAIN_MESSAGE);
                    found = true;
                }
            }

        }
        if (!found) {
            JOptionPane.showMessageDialog(null, "Account not found");
        }
    }

    // this method is used to update the account status
    public void updateAccountNo() {
        String s1 = "", s2 = "";
        s1 = JOptionPane.showInputDialog("Enter Account Number u want to Update ", s2);
        boolean found = false;
        String[] columns = new String[]{"Account Number", "Name", "Pincode",
            "User Login", "Balance", "Status", "Type", "Date"};
        Object[][] rows = new Object[1][columns.length];
        for (int i = 0; i < user.size(); i++) {
            Customer_Data var = user.get(i);
            if (var.accountNum == Integer.parseInt(s1)) {
                rows[0] = new Object[]{var.accountNum, var.name, var.pincode,
                    var.login, var.startingBalance, var.status, var.type, var.date};
                JOptionPane.showMessageDialog(null, new JScrollPane(new JTable(rows, columns)), "Account information", JOptionPane.PLAIN_MESSAGE);
                String[] s0 = {"Current", "Savings"};
                String[] s01 = {"Active", "Deactive"};
                String s = "";
                String ab = "";
                var.login1 = JOptionPane.showInputDialog("Enter User Login", ab);
                if (var.login1.equals("")) {
                    var.login = var.login;

                } else {
                    var.login = var.login1;
                }
                do {
                    var.name1 = JOptionPane.showInputDialog("Enter Name", s);
                    if (var.name1.equals("")) {
                        var.name = var.name;
                        break;
                    }
                    if (var.name1.matches("[a-zA-Z]+")) {
                        var.name = var.name1;
                        break;
                    } else {
                        JOptionPane.showMessageDialog(null, "Enter invalid name ", "Invalid input", JOptionPane.ERROR_MESSAGE);
                    }
                } while (!var.name1.matches("[a-zA-Z]+"));
                String s11 = "";

                do {
                    var.pincode1 = JOptionPane.showInputDialog("Enter 5 digit PinCode", s11);
                    if (var.pincode1.matches("[0-9]{5}")) {
                        var.pincode = var.pincode1;
                        break;
                    }
                    if (var.pincode1.equals("")) {
                        var.pincode = var.pincode;
                        break;
                    } else {
                        JOptionPane.showMessageDialog(null, "Please Enter 5 digit pincode ", "Invalid input", JOptionPane.ERROR_MESSAGE);
                    }

                } while (!var.pincode1.matches("[0-9]{5}"));
                var.status = (String) JOptionPane.showInputDialog(null, "Select Status...", "Status", JOptionPane.QUESTION_MESSAGE, null, s01, s01[0]);
                var.type = (String) JOptionPane.showInputDialog(null, "Select Type...", "Type", JOptionPane.QUESTION_MESSAGE, null, s0, s0[0]);
                JOptionPane.showMessageDialog(null, "Account Successfully Updated... ", "Account Information", JOptionPane.PLAIN_MESSAGE);
                String[] columnss = new String[]{"Account Number", "Name", "Pincode",
                    "User Login", "Balance", "Status", "Type", "Date"};
                Object[][] rowss = new Object[1][columnss.length];
                rowss[0] = new Object[]{var.accountNum, var.name, var.pincode,
                    var.login, var.startingBalance, var.status, var.type, var.date};
                JOptionPane.showMessageDialog(null, new JScrollPane(new JTable(rowss, columnss)), "Account information", JOptionPane.PLAIN_MESSAGE);
                found = true;
            }
        }
        if (!found) {
            JOptionPane.showMessageDialog(null, "Account not found");
        }
    }

    // this method is used to delete the account
    public void deleteAccount() {
        String s1 = "", s2 = "";
        s1 = JOptionPane.showInputDialog("Enter Account Number u want to Delete ", s2);
        boolean found = false;
        for (int i = 0; i < user.size(); i++) {
            Customer_Data var = user.get(i);
            if (var.accountNum == Integer.parseInt(s1)) {
                int ab = JOptionPane.showConfirmDialog(null, "You wish to delete the account held by Mr " + var.name, "Warning", JOptionPane.YES_NO_OPTION, JOptionPane.WARNING_MESSAGE);
                if (ab == 0) {
                    String a1 = "", a2 = "";
                    a1 = JOptionPane.showInputDialog("Please re-enter account number ", a2);
                    if (a1.equals(s1)) {
                        user.remove(i);
                        JOptionPane.showMessageDialog(null, "Account Deleted Successfully..", "Delete Account", JOptionPane.PLAIN_MESSAGE);
                    } else {
                        JOptionPane.showMessageDialog(null, "Invalid Account Number", "Error ", JOptionPane.ERROR_MESSAGE);

                    }
                } else if (ab == 1) {
                    JOptionPane.showMessageDialog(null, "Account not deleted ", "Account Information ", JOptionPane.INFORMATION_MESSAGE);

                }

                found = true;
            }
        }
        if (!found) {
            JOptionPane.showMessageDialog(null, "Not Found");
        }
    }

    // this method is used to display the account information
    public void search1() {
        String s1 = "", s2 = "";
        s1 = JOptionPane.showInputDialog("Enter Account Holder name u want to find ", s2);
        boolean found = false;
        StringBuilder builder1 = new StringBuilder();
        builder1.append("Account No");
        builder1.append("\t");
        builder1.append("Name");
        for (int i = 0; i < user.size(); i++) {
            Customer_Data var = user.get(i);
            if (var.name.equals(s1)) {
                JOptionPane.showMessageDialog(null, builder1, "sad", JOptionPane.PLAIN_MESSAGE);
                found = true;
            }
        }
        if (!found) {
            JOptionPane.showMessageDialog(null, "Not Found");
        }
    }

    // this method is used to display the account type and info
    public void searchAccountType() {
        String[] s10 = {"Current", "Savings", ""};
        s10[2] = (String) JOptionPane.showInputDialog(null, "Select Type...", "Account Type", JOptionPane.QUESTION_MESSAGE, null, s10, s10[0]);
        boolean found = false;
        String[] columns = new String[]{"Account Number", "Name", "Pincode",
            "User Login", "Balance", "Status", "Type", "Date"};
        Object[][] rows = new Object[user.size()][columns.length];
        for (int i = 0; i < user.size(); i++) {
            Customer_Data var = user.get(i);
            if (var.type.equals(s10[2])) {
                rows[i] = new Object[]{var.accountNum, var.name, var.pincode,
                    var.login, var.startingBalance, var.status, var.type, var.date};
                found = true;
            }
        }
        if (found) {
            JOptionPane.showMessageDialog(null, new JScrollPane(new JTable(rows, columns)), "Account information", JOptionPane.PLAIN_MESSAGE);
        }
        if (!found) {
            JOptionPane.showMessageDialog(null, "Not Found");
        }
    }

    // this method is used to display the amount of any account from admin panel
    public void searchAccountBalance() {
        String s111 = "",
                s112 = "";
        s111 = JOptionPane.showInputDialog("Enter Account Balance u want to find ", s112);
        boolean found = false;
        String[] columns = new String[]{"Account Number", "Name", "Pincode",
            "User Login", "Balance", "Status", "Type", "Date"};
        Object[][] rows = new Object[user.size()][columns.length];
        for (int i = 0; i < user.size(); i++) {
            Customer_Data var = user.get(i);
            if (var.startingBalance == Integer.parseInt(s111)) {
                rows[i] = new Object[]{var.accountNum, var.name, var.pincode,
                    var.login, var.startingBalance, var.status, var.type, var.date};
                found = true;
            }
        }
        if (found) {
            JOptionPane.showMessageDialog(null, new JScrollPane(new JTable(rows, columns)), "Account information", JOptionPane.PLAIN_MESSAGE);
        }
        if (!found) {
            JOptionPane.showMessageDialog(null, "Not Found");
        }
    }

    // this method is used to display the account status from admin panel
    public void searchAccountName() {
        String s11 = "",
                s12 = "";

        s11 = JOptionPane.showInputDialog("Enter Account Holder`s name u want to find ", s12);
        boolean found = false;
        String[] columns = new String[]{"Account Number", "Name", "Pincode",
            "User Login", "Balance", "Status", "Type", "Date"};
        Object[][] rows = new Object[user.size()][columns.length];
        for (int i = 0; i < user.size(); i++) {
            Customer_Data var = user.get(i);
            if (var.name.equals(s11)) {
                rows[i] = new Object[]{var.accountNum, var.name, var.pincode,
                    var.login, var.startingBalance, var.status, var.type, var.date};
                found = true;

            }
        }
        if (found) {
            JOptionPane.showMessageDialog(null, new JScrollPane(new JTable(rows, columns)), "Account information", JOptionPane.PLAIN_MESSAGE);
        }
        if (!found) {
            JOptionPane.showMessageDialog(null, "Not Found");
        }
    }

    // this method is used to display the account number from admin panel
    public void searchAccountNo() {
        String s1 = "", s2 = "";
        s1 = JOptionPane.showInputDialog("Enter Account Number u want to find ", s2);
        boolean found = false;
        String[] columns = new String[]{"Account Number", "Name", "Pincode",
            "User Login", "Balance", "Status", "Type", "Date"};
        Object[][] rows = new Object[1][columns.length];
        for (int i = 0; i < user.size(); i++) {
            Customer_Data var = user.get(i);
            if (var.accountNum == Integer.parseInt(s1)) {
                rows[0] = new Object[]{var.accountNum, var.name, var.pincode,
                    var.login, var.startingBalance, var.status, var.type, var.date};
                found = true;
            }
        }
        if (found) {
            JOptionPane.showMessageDialog(null, new JScrollPane(new JTable(rows, columns)), "Account information", JOptionPane.PLAIN_MESSAGE);
        }
        if (!found) {
            JOptionPane.showMessageDialog(null, "Not Found");
        }
    }

    boolean onlyContainsNumbers(String text) {
            Long.parseLong(text);
            return true;
    }


    public void reportAmount() { 
        String s111 = "", s112 = "", s1 = "", s2 = "";
        s111 = JOptionPane.showInputDialog("Enter Minimum Amount ", s112);
        s1 = JOptionPane.showInputDialog("Enter Maximum Amount ", s2);
        boolean found = false;
        String[] columns = new String[]{"Account Number", "Name", "Pincode",
            "User Login", "Balance", "Status", "Type"};
        Object[][] rows = new Object[user.size()][columns.length];
        for (int i = 0; i < user.size(); i++) {
            Customer_Data var = user.get(i);
            if (var.startingBalance >= Integer.parseInt(s111) && var.startingBalance <= Integer.parseInt(s1)) {
                rows[i] = new Object[]{var.accountNum, var.name, var.pincode,
                    var.login, var.startingBalance, var.status, var.type};
                found = true;
            }
        }
        if (found) {
            JOptionPane.showMessageDialog(null, new JScrollPane(new JTable(rows, columns)), "Account information", JOptionPane.PLAIN_MESSAGE);
        }
        if (!found) {
            JOptionPane.showMessageDialog(null, "Not Found");
        }
    }

    public void search() {
        String s00 = "", s0 = "";
        s0 = JOptionPane.showInputDialog("\tSelect for search Account\n1- Search through Account Number\n2-Search through Holder Name\n3- Search through Account Balance\n4-Search through Account Type  ", s00);
        switch (s0) {
            case "1":
                searchAccountNo();
                break;
            case "2":
                searchAccountName();
                break;
            case "3":
                searchAccountBalance();
                break;
            case "4":
                searchAccountType();
                break;
            default:
                JOptionPane.showMessageDialog(null, "Invalid Option ", "Error", JOptionPane.ERROR_MESSAGE);
                break;
        }
    }

    // this method is used to create a new account in the bank
    public void createAccount() {
        Customer_Data a = new Customer_Data();
        if (a.accountNum == a.accountNum) { // this condition is used to check the account number is unique or not
            a.accountNum = user.size() + 1;
        }
        do { // this loop is used to check the name is valid or not
            String s = "";
            a.name = JOptionPane.showInputDialog("Enter Name", s);
            if (!a.name.matches("[a-zA-Z]+")) {
                JOptionPane.showMessageDialog(null, "Enter invalid name ", "Invalid input", JOptionPane.ERROR_MESSAGE);
            }
            if (a.name.matches("[a-zA-Z]+")) {
                a.name1 = a.name;
            }
        } while (!a.name.matches("[a-zA-Z]+"));
        do { // this loop is used to check the login detail is valid or not
            String ab = "";
            a.login = JOptionPane.showInputDialog("Enter User Login", ab);
            if (a.login.equals("")) {
                JOptionPane.showMessageDialog(null, "User Login can not be empty", "Invalid input", JOptionPane.ERROR_MESSAGE);
            }         
            else {
                a.login = a.login;
            }
        } while (a.login.equals(""));
        String s1 = "";

        do { // this loop is used to check the pincode is valid or not
            a.pincode = JOptionPane.showInputDialog("Enter 5 digit PinCode", s1);
            if (a.pincode.matches("[0-9]{5}")) {
                a.pincode1 = a.pincode;
            } else {
                JOptionPane.showMessageDialog(null, "Please Enter 5 digit pincode ", "Invalid input", JOptionPane.ERROR_MESSAGE);
            }
        } while (!a.pincode.matches("[0-9]{5}"));
        String s2 = "";
        do { // this loop is used to check the starting balance is valid or not

            s2 = JOptionPane.showInputDialog("Enter Starting Balance ");
            if (onlyContainsNumbers(s2)) {
                a.startingBalance = Integer.parseInt(s2);
            } else {
                JOptionPane.showMessageDialog(null, "Please Enter digits only  ", "Invalid input", JOptionPane.ERROR_MESSAGE);
            }
        } while (!onlyContainsNumbers(s2)); 
        String[] s0 = {"Current", "Savings"};
        String[] s01 = {"Active", "Disable"};
        a.status = (String) JOptionPane.showInputDialog(null, "Select Status...", "Account Status", JOptionPane.QUESTION_MESSAGE, null, s01, s01[0]);
        a.type = (String) JOptionPane.showInputDialog(null, "Select Type...", "Account Type", JOptionPane.QUESTION_MESSAGE, null, s0, s0[0]);
        a.date = new SimpleDateFormat("MM/dd/yyyy").format(Calendar.getInstance().getTime());
        user.add(a);
        l.user1 = this.user;
        JOptionPane.showMessageDialog(null, "Account Created successfully....");
    }
    
    // this method is used to view reports of the accounts from the admin panel
    public void viewReports() {
          String s00 = "", s0 = "";
        s0 = JOptionPane.showInputDialog("\tView Reports \n1-By Holder Name\n2-By Amount\n3-By Account Type  ", s00);
        switch (s0) {
            case "1":
                searchAccountName();
                break;
            case "2":
               reportAmount(); 
                break;
            case "3":
                searchAccountType();
                break;
            default:
                JOptionPane.showMessageDialog(null, "Invalid Option ", "Error", JOptionPane.ERROR_MESSAGE);
                break;
        }
        
    }
    
    // this initializes the admin panel
    void initComponents() {

        jPanel1 = new JPanel();
        jButton1 = new JButton();
        jButton2 = new JButton();
        jButton3 = new JButton();
        jButton4 = new JButton();
        jButton5 = new JButton();
        jButton6 = new JButton();

        setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
        setResizable(false);

        jPanel1.setBackground(new java.awt.Color(0X8946A6));

        jButton1.setBackground(new java.awt.Color(0X9A1663));
        jButton1.setFont(new java.awt.Font("Tahoma", 1, 14));
        jButton1.setForeground(new java.awt.Color(255, 255, 255));
        jButton1.setText("Create Account");
        jButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton1ActionPerformed(evt);
            }
        });

        jButton2.setBackground(new java.awt.Color(0X9A1663));
        jButton2.setFont(new java.awt.Font("Tahoma", 1, 14));
        jButton2.setForeground(new java.awt.Color(255, 255, 255));
        jButton2.setText("Update Account");
        jButton2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton2ActionPerformed(evt);
            }
        });

        jButton3.setBackground(new java.awt.Color(0X9A1663));
        jButton3.setFont(new java.awt.Font("Tahoma", 1, 14));
        jButton3.setForeground(new java.awt.Color(255, 255, 255));
        jButton3.setText("Delete Account");
        jButton3.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton3ActionPerformed(evt);
            }
        });

        jButton4.setBackground(new java.awt.Color(0X9A1663));
        jButton4.setFont(new java.awt.Font("Tahoma", 1, 14));
        jButton4.setForeground(new java.awt.Color(255, 255, 255));
        jButton4.setText("Search Account");
        jButton4.addChangeListener(new javax.swing.event.ChangeListener() {
            public void stateChanged(javax.swing.event.ChangeEvent evt) {
                jButton4StateChanged(evt);
            }
        });
        jButton4.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton4ActionPerformed(evt);
            }
        });

        jButton5.setBackground(new java.awt.Color(0X9A1663));
        jButton5.setFont(new java.awt.Font("Tahoma", 1, 14)); 
        jButton5.setForeground(new java.awt.Color(255, 255, 255));
        jButton5.setText("View Report");
        jButton5.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton5ActionPerformed(evt);
            }
        });

        jButton6.setBackground(new java.awt.Color(0X9A1663));
        jButton6.setFont(new java.awt.Font("Tahoma", 1, 14));
        jButton6.setForeground(new java.awt.Color(255, 255, 255));
        jButton6.setText("Exit");
        jButton6.addChangeListener(new javax.swing.event.ChangeListener() {
            public void stateChanged(javax.swing.event.ChangeEvent evt) {
                jButton6StateChanged(evt);
            }
        });
        jButton6.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton6ActionPerformed(evt);
            }
        });

        GroupLayout jPanel1Layout = new GroupLayout(jPanel1);
        jPanel1.setLayout(jPanel1Layout);
        jPanel1Layout.setHorizontalGroup(
            jPanel1Layout.createParallelGroup(GroupLayout.Alignment.LEADING)
            .addGroup(jPanel1Layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(jPanel1Layout.createParallelGroup(GroupLayout.Alignment.LEADING)
                    .addGroup(jPanel1Layout.createSequentialGroup()
                        .addGroup(jPanel1Layout.createParallelGroup(GroupLayout.Alignment.TRAILING)
                            .addComponent(jButton1, GroupLayout.PREFERRED_SIZE, 173, GroupLayout.PREFERRED_SIZE)
                            .addComponent(jButton3, GroupLayout.PREFERRED_SIZE, 173, javax.swing.GroupLayout.PREFERRED_SIZE))
                        .addGap(18, 18, 18)
                        .addGroup(jPanel1Layout.createParallelGroup(GroupLayout.Alignment.LEADING)
                            .addComponent(jButton4, GroupLayout.PREFERRED_SIZE, 173, GroupLayout.PREFERRED_SIZE)
                            .addComponent(jButton2, GroupLayout.PREFERRED_SIZE, 173, GroupLayout.PREFERRED_SIZE)))
                    .addGroup(jPanel1Layout.createSequentialGroup()
                        .addComponent(jButton5, GroupLayout.PREFERRED_SIZE, 173, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addGap(18, 18, 18)
                        .addComponent(jButton6, GroupLayout.PREFERRED_SIZE, 173, GroupLayout.PREFERRED_SIZE)))
                .addContainerGap(31, Short.MAX_VALUE))
        );
        jPanel1Layout.setVerticalGroup(
            jPanel1Layout.createParallelGroup(GroupLayout.Alignment.LEADING)
            .addGroup(jPanel1Layout.createSequentialGroup()
                .addGap(87, 87, 87)
                .addGroup(jPanel1Layout.createParallelGroup(GroupLayout.Alignment.BASELINE)
                    .addComponent(jButton1, GroupLayout.PREFERRED_SIZE, 56, GroupLayout.PREFERRED_SIZE)
                    .addComponent(jButton2, GroupLayout.PREFERRED_SIZE, 56, GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                .addGroup(jPanel1Layout.createParallelGroup(GroupLayout.Alignment.TRAILING)
                    .addComponent(jButton3, GroupLayout.PREFERRED_SIZE, 56, GroupLayout.PREFERRED_SIZE)
                    .addComponent(jButton4, GroupLayout.PREFERRED_SIZE, 56, GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                .addGroup(jPanel1Layout.createParallelGroup(GroupLayout.Alignment.BASELINE)
                    .addComponent(jButton5, GroupLayout.PREFERRED_SIZE, 56, GroupLayout.PREFERRED_SIZE)
                    .addComponent(jButton6, GroupLayout.PREFERRED_SIZE, 56, GroupLayout.PREFERRED_SIZE))
                .addContainerGap(34, Short.MAX_VALUE))
        );

        GroupLayout layout = new GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addComponent(jPanel1, GroupLayout.DEFAULT_SIZE, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                .addGap(0, 0, 0))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(GroupLayout.Alignment.LEADING)
            .addComponent(jPanel1, GroupLayout.DEFAULT_SIZE,GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
        );

        pack();
    }

    void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
        createAccount();
    }

    void jButton3ActionPerformed(java.awt.event.ActionEvent evt) {
        deleteAccount();
    }

    void jButton4StateChanged(javax.swing.event.ChangeEvent evt) {
    }

    void jButton4ActionPerformed(java.awt.event.ActionEvent evt) {
        search();
    }

    void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {
        updateAccount();
    }

    void jButton5ActionPerformed(java.awt.event.ActionEvent evt) {
        viewReports();
    }

    void jButton6StateChanged(javax.swing.event.ChangeEvent evt) {
    }
    void jButton6ActionPerformed(java.awt.event.ActionEvent evt) {
        this.setVisible(false);
         new ATM().setVisible(true);
    }

    public static void main(String args[]) throws ClassNotFoundException, InstantiationException, IllegalAccessException, UnsupportedLookAndFeelException {
      
            for (UIManager.LookAndFeelInfo info : UIManager.getInstalledLookAndFeels()) {
                if ("Nimbus".equals(info.getName())) {
                    UIManager.setLookAndFeel(info.getClassName());
                    break;
                }
            } 
    }

    JButton jButton1;
    JButton jButton2;
    JButton jButton3;
    JButton jButton4;
    JButton jButton5;
    JButton jButton6;
    JPanel jPanel1;

}

// this is the main class from where the program starts
class ATM extends JFrame {
    
    public ATM() {
        this.user1 = new ArrayList<Customer_Data>();
        initComponents();
    }
    Customer_Data var1=new Customer_Data();
    List<Customer_Data> user1;

    // this method is used to login a user
     public void login()
    {
        String s11 = "",s01="",
                s12 = "",s02="";
        
        s11 = JOptionPane.showInputDialog("Enter User Login ", s12);
        s01 = JOptionPane.showInputDialog("Enter Pincode  ", s02);
        boolean found = false;

        for (int i = 0; i < user1.size(); i++) {
            Customer_Data var = user1.get(i);
            if (var.login.equals(s11) && var.pincode.equals(s01)) {
                new CUSTOMER(this).setVisible(true);
                var1=var;
                found = true;
            }
        } 
        if (!found) {
            JOptionPane.showMessageDialog(null, "Not Found");
        }
    }
   
    // creates the UI if the main class
    void initComponents() {

        jPanel1 = new JPanel();
        jLabel2 = new JLabel();
        jButton1 = new JButton();
        jButton2 = new JButton();

        setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
        setTitle("ATM");
        setName("ATM"); 
        setResizable(false);
        setType(java.awt.Window.Type.UTILITY);

        jPanel1.setBackground(new java.awt.Color(0XAF0171)); 

        jLabel2.setFont(new java.awt.Font("Tahoma", 1, 22)); 
        jLabel2.setForeground(new java.awt.Color(255, 255, 255));
        jLabel2.setText("        WELCOME TO ATM");

        jButton1.setBackground(new java.awt.Color(0, 0, 0));
        jButton1.setFont(new java.awt.Font("Tahoma", 1, 11)); 
        jButton1.setForeground(new java.awt.Color(255, 255, 255));
        jButton1.setText("CUSTOMER");
        jButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton1ActionPerformed(evt);
            }
        });

        jButton2.setBackground(new java.awt.Color(0, 0, 0));
        jButton2.setFont(new java.awt.Font("Tahoma", 1, 11)); 
        jButton2.setForeground(new java.awt.Color(255, 255, 255));
        jButton2.setText("ADMIN");
        jButton2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton2ActionPerformed(evt);
            }
        });

        GroupLayout jPanel1Layout = new GroupLayout(jPanel1);
        jPanel1.setLayout(jPanel1Layout);
        jPanel1Layout.setHorizontalGroup(
            jPanel1Layout.createParallelGroup(GroupLayout.Alignment.LEADING)
            .addGroup(jPanel1Layout.createSequentialGroup()
                .addGroup(jPanel1Layout.createParallelGroup(GroupLayout.Alignment.LEADING)
                    .addGroup(jPanel1Layout.createSequentialGroup()
                        .addGap(42, 42, 42)
                        .addComponent(jLabel2, GroupLayout.PREFERRED_SIZE, 303, GroupLayout.PREFERRED_SIZE))
                    .addGroup(jPanel1Layout.createSequentialGroup()
                        .addGap(144, 144, 144)
                        .addGroup(jPanel1Layout.createParallelGroup(GroupLayout.Alignment.LEADING, false)
                            .addComponent(jButton1, GroupLayout.DEFAULT_SIZE, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                            .addComponent(jButton2, GroupLayout.DEFAULT_SIZE, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))))
                .addContainerGap(55, Short.MAX_VALUE))
        );
        jPanel1Layout.setVerticalGroup(
            jPanel1Layout.createParallelGroup(GroupLayout.Alignment.LEADING)
            .addGroup(jPanel1Layout.createSequentialGroup()
                .addGap(27, 27, 27)
                .addComponent(jLabel2, GroupLayout.PREFERRED_SIZE, 84, GroupLayout.PREFERRED_SIZE)
                .addGap(45, 45, 45)
                .addComponent(jButton1)
                .addGap(35, 35, 35)
                .addComponent(jButton2)
                .addContainerGap(63, Short.MAX_VALUE))
        );

        GroupLayout layout = new GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(GroupLayout.Alignment.LEADING)
            .addComponent(jPanel1,GroupLayout.DEFAULT_SIZE, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(GroupLayout.Alignment.LEADING)
            .addComponent(jPanel1, GroupLayout.DEFAULT_SIZE, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
        );

        pack();
    }

    void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {
        new ADMIN(this).setVisible(true);
    }

    void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
        login();
    }
   
   
    // RUN THE APPLICATION FROM HERE
    public static void main(String args[]) throws ClassNotFoundException, InstantiationException, IllegalAccessException, UnsupportedLookAndFeelException {
            for (UIManager.LookAndFeelInfo info : UIManager.getInstalledLookAndFeels()) {
                if ("Nimbus".equals(info.getName())) {
                    UIManager.setLookAndFeel(info.getClassName());
                    break;
                }
            }
       
        java.awt.EventQueue.invokeLater(() -> {
            new ATM().setVisible(true);
        });
    }

    JButton jButton1;
    JButton jButton2;
    JLabel jLabel2;
    JPanel jPanel1;
}

Code for ATM.form file

<?xml version="1.0" encoding="UTF-8" ?>

<Form version="1.3" maxVersion="1.9" type="org.netbeans.modules.form.forminfo.JFrameFormInfo">
  <Properties>
    <Property name="defaultCloseOperation" type="int" value="3"/>
    <Property name="title" type="java.lang.String" value="ATM"/>
    <Property name="name" type="java.lang.String" value="ATM" noResource="true"/>
    <Property name="resizable" type="boolean" value="false"/>
    <Property name="type" type="java.awt.Window$Type" editor="org.netbeans.modules.form.editors.EnumEditor">
      <Value id="UTILITY"/>
    </Property>
  </Properties>
  <SyntheticProperties>
    <SyntheticProperty name="formSizePolicy" type="int" value="1"/>
    <SyntheticProperty name="generateCenter" type="boolean" value="false"/>
  </SyntheticProperties>
  <AuxValues>
    <AuxValue name="FormSettings_autoResourcing" type="java.lang.Integer" value="0"/>
    <AuxValue name="FormSettings_autoSetComponentName" type="java.lang.Boolean" value="false"/>
    <AuxValue name="FormSettings_generateFQN" type="java.lang.Boolean" value="true"/>
    <AuxValue name="FormSettings_generateMnemonicsCode" type="java.lang.Boolean" value="false"/>
    <AuxValue name="FormSettings_i18nAutoMode" type="java.lang.Boolean" value="false"/>
    <AuxValue name="FormSettings_layoutCodeTarget" type="java.lang.Integer" value="1"/>
    <AuxValue name="FormSettings_listenerGenerationStyle" type="java.lang.Integer" value="0"/>
    <AuxValue name="FormSettings_variablesLocal" type="java.lang.Boolean" value="false"/>
    <AuxValue name="FormSettings_variablesModifier" type="java.lang.Integer" value="2"/>
  </AuxValues>

  <Layout>
    <DimensionLayout dim="0">
      <Group type="103" groupAlignment="0" attributes="0">
          <Component id="jPanel1" alignment="0" max="32767" attributes="0"/>
      </Group>
    </DimensionLayout>
    <DimensionLayout dim="1">
      <Group type="103" groupAlignment="0" attributes="0">
          <Component id="jPanel1" alignment="0" max="32767" attributes="0"/>
      </Group>
    </DimensionLayout>
  </Layout>
  <SubComponents>
    <Container class="javax.swing.JPanel" name="jPanel1">
      <Properties>
        <Property name="background" type="java.awt.Color" editor="org.netbeans.beaninfo.editors.ColorEditor">
          <Color blue="0" green="0" red="ff" type="rgb"/>
        </Property>
      </Properties>

      <Layout>
        <DimensionLayout dim="0">
          <Group type="103" groupAlignment="0" attributes="0">
              <Group type="102" attributes="0">
                  <Group type="103" groupAlignment="0" attributes="0">
                      <Group type="102" alignment="0" attributes="0">
                          <EmptySpace min="-2" pref="42" max="-2" attributes="0"/>
                          <Component id="jLabel2" min="-2" pref="303" max="-2" attributes="0"/>
                      </Group>
                      <Group type="102" alignment="0" attributes="0">
                          <EmptySpace min="-2" pref="144" max="-2" attributes="0"/>
                          <Group type="103" groupAlignment="0" max="-2" attributes="0">
                              <Component id="jButton1" max="32767" attributes="0"/>
                              <Component id="jButton2" max="32767" attributes="0"/>
                          </Group>
                      </Group>
                  </Group>
                  <EmptySpace pref="55" max="32767" attributes="0"/>
              </Group>
          </Group>
        </DimensionLayout>
        <DimensionLayout dim="1">
          <Group type="103" groupAlignment="0" attributes="0">
              <Group type="102" alignment="0" attributes="0">
                  <EmptySpace min="-2" pref="27" max="-2" attributes="0"/>
                  <Component id="jLabel2" min="-2" pref="84" max="-2" attributes="0"/>
                  <EmptySpace min="-2" pref="45" max="-2" attributes="0"/>
                  <Component id="jButton1" min="-2" max="-2" attributes="0"/>
                  <EmptySpace min="-2" pref="35" max="-2" attributes="0"/>
                  <Component id="jButton2" min="-2" max="-2" attributes="0"/>
                  <EmptySpace pref="63" max="32767" attributes="0"/>
              </Group>
          </Group>
        </DimensionLayout>
      </Layout>
      <SubComponents>
        <Component class="javax.swing.JLabel" name="jLabel2">
          <Properties>
            <Property name="font" type="java.awt.Font" editor="org.netbeans.beaninfo.editors.FontEditor">
              <Font name="Tahoma" size="22" style="1"/>
            </Property>
            <Property name="foreground" type="java.awt.Color" editor="org.netbeans.beaninfo.editors.ColorEditor">
              <Color blue="33" green="cc" red="0" type="rgb"/>
            </Property>
            <Property name="text" type="java.lang.String" value="        WELCOME TO ATM"/>
          </Properties>
        </Component>
        <Component class="javax.swing.JButton" name="jButton1">
          <Properties>
            <Property name="background" type="java.awt.Color" editor="org.netbeans.beaninfo.editors.ColorEditor">
              <Color blue="0" green="0" red="0" type="rgb"/>
            </Property>
            <Property name="font" type="java.awt.Font" editor="org.netbeans.beaninfo.editors.FontEditor">
              <Font name="Tahoma" size="11" style="1"/>
            </Property>
            <Property name="foreground" type="java.awt.Color" editor="org.netbeans.beaninfo.editors.ColorEditor">
              <Color blue="ff" green="ff" red="ff" type="rgb"/>
            </Property>
            <Property name="text" type="java.lang.String" value="CUSTOMER"/>
          </Properties>
          <Events>
            <EventHandler event="actionPerformed" listener="java.awt.event.ActionListener" parameters="java.awt.event.ActionEvent" handler="jButton1ActionPerformed"/>
          </Events>
        </Component>
        <Component class="javax.swing.JButton" name="jButton2">
          <Properties>
            <Property name="background" type="java.awt.Color" editor="org.netbeans.beaninfo.editors.ColorEditor">
              <Color blue="0" green="0" red="0" type="rgb"/>
            </Property>
            <Property name="font" type="java.awt.Font" editor="org.netbeans.beaninfo.editors.FontEditor">
              <Font name="Tahoma" size="11" style="1"/>
            </Property>
            <Property name="foreground" type="java.awt.Color" editor="org.netbeans.beaninfo.editors.ColorEditor">
              <Color blue="ff" green="ff" red="ff" type="rgb"/>
            </Property>
            <Property name="text" type="java.lang.String" value="ADMIN"/>
          </Properties>
          <Events>
            <EventHandler event="actionPerformed" listener="java.awt.event.ActionListener" parameters="java.awt.event.ActionEvent" handler="jButton2ActionPerformed"/>
          </Events>
        </Component>
      </SubComponents>
    </Container>
  </SubComponents>
</Form>

Output for ATM Simulator In Java:


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Author: Ayush Purawr