BankAccountManagement.java

import java.util.Scanner;


class BankAccount {
    private String accountHolder;
    private int accountNumber;
    private double balance;

    
    public BankAccount(String accountHolder, int accountNumber, double balance) {
        this.accountHolder = accountHolder;
        this.accountNumber = accountNumber;
        this.balance = balance;
    }

    
    public void deposit(double amount) {
        if (amount > 0) {
            balance += amount;
            System.out.println("Successfully deposited: $" + amount);
        } else {
            System.out.println("Invalid deposit amount!");
        }
    }

   
    public void withdraw(double amount) {
        if (amount > 0) {
            if (amount <= balance) {
                balance -= amount;
                System.out.println("Successfully withdrew: $" + amount);
            } else {
                System.out.println("Insufficient balance!");
            }
        } else {
            System.out.println("Invalid withdrawal amount!");
        }
    }

    
    public void checkBalance() {
        System.out.println("Current balance: $" + balance);
    }

  
    public void displayAccountInfo() {
        System.out.println("Account Holder: " + accountHolder);
        System.out.println("Account Number: " + accountNumber);
        System.out.println("Balance: $" + balance);
    }
}


public class BankAccountManagement {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        System.out.print("Enter Account Holder Name: ");
        String name = sc.nextLine();
        System.out.print("Enter Account Number: ");
        int accNum = sc.nextInt();

        BankAccount account = new BankAccount(name, accNum, 0.0);

        int choice;
        do {
            System.out.println("\n=== Bank Menu ===");
            System.out.println("1. Deposit");
            System.out.println("2. Withdraw");
            System.out.println("3. Check Balance");
            System.out.println("4. Display Account Info");
            System.out.println("5. Exit");
            System.out.print("Choose an option: ");
            choice = sc.nextInt();

            switch (choice) {
                case 1:
                    System.out.print("Enter amount to deposit: ");
                    double depositAmount = sc.nextDouble();
                    account.deposit(depositAmount);
                    break;
                case 2:
                    System.out.print("Enter amount to withdraw: ");
                    double withdrawAmount = sc.nextDouble();
                    account.withdraw(withdrawAmount);
                    break;
                case 3:
                    account.checkBalance();
                    break;
                case 4:
                    account.displayAccountInfo();
                    break;
                case 5:
                    System.out.println("Thank you for using the Bank Account Management System!");
                    break;
                default:
                    System.out.println("Invalid choice! Try again.");
            }
        } while (choice != 5);

        sc.close();
    }
}