Answer to Question #227037 in Java | JSP | JSF for reshma

Question

Write a menu driven application to perform the banking operations using JAVA.

Your application must contain the following functionalities. Use constructors, getter

and setter functions wherever required.

 In the menu give options for Account Creation, Balance Enquiry,

Deposit and

Withdrawal

 Do not allow to withdraw money if the balance is < = 500

 Initial balance must be a minimum of 500.

Answer 1

public class Account {
    private double balance;

    public Account(double balance) {
        if (balance < 500) {
            this.balance = 500;
        } else {
            this.balance = balance;
        }
    }

    public double getBalance() {
        return balance;
    }

    public void setBalance(double balance) {
        this.balance = balance;
    }

    public boolean withdraw(double amount) {
        if (balance > 500) {
            balance -= amount;
            return true;
        }
        return false;
    }

    public boolean deposit(double amount) {
        balance += amount;
        return true;
    }
}

import java.util.Scanner;

public class Menu {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        Account account = null;
        int choice;
        double amount;
        while (true) {
            System.out.println("\n1. Account Creation");
            System.out.println("2. Balance Enquiry");
            System.out.println("3. Deposit");
            System.out.println("4. Withdrawal");
            System.out.println("0. Exit");
            System.out.print("Select option: ");
            choice = in.nextInt();
            switch (choice) {
                case 1:
                    account = new Account(1000);
                    System.out.println("Account created.");
                    break;
                case 2:
                    if (account != null) {
                        System.out.println("Balance is " + account.getBalance());
                    } else {
                        System.out.println("Create account.");
                    }
                    break;
                case 3:
                    if (account != null) {
                        System.out.print("Enter the amount to deposit: ");
                        amount = in.nextDouble();
                        System.out.println(account.deposit(amount) ? "Success" : "Failure");
                    } else {
                        System.out.println("Create account.");
                    }
                    break;
                case 4:
                    if (account != null) {
                        System.out.print("Enter the amount to withdraw: ");
                        amount = in.nextDouble();
                        System.out.println(account.withdraw(amount) ? "Success" : "Failure");
                    } else {
                        System.out.println("Create account.");
                    }
                    break;
                case 0:
                    return;
            }
        }
    }
}