Simple-banking-system-

codeAlpha package CodeAlpha;

import java.util.Scanner;

public class SimpleBankingApplication { public static void main(String[] args) { Scanner sc= new Scanner(System.in); BankAccount bank1=new BankAccount("Gopal Kumar","01"); bank1.showMenu(); } } class BankAccount{ int balance ; String customerName; String customerId; BankAccount(String cname,String cid){ customerName=cname; customerId=cid; } void deposite (int amount){ if(amount!=0){ balance=balance+amount; } } void withdraw(int amount){ if(amount!=0){ balance=balance-amount; } } void showMenu(){ char option='\0'; Scanner sc=new Scanner(System.in); System.out.println("Welcome "+customerName); System.out.println("your id is : "+customerId); System.out.println(); System.out.println("A. Check balance"); System.out.println("B.Deposit"); System.out.println("C.Withdraw "); System.out.println("D.Exit");

    do{
        System.out.println("=====-==================");
        System.out.println("Enter the option");
        System.out.println("========================");
        option=sc.next().charAt(0);
        //  Character.toUpperCase(option);
        switch (option) {
            case 'A':
                System.out.println("=====-==================");
                System.out.println("Balance is : " + balance);
                System.out.println("=====-==================");
                System.out.println();
                break;
            case 'B':
                System.out.println("=====-==================");
                System.out.println("Enter the Deposit amount is ");
                System.out.println("=====-==================");
                int amount = sc.nextInt();
                deposite(amount);
                System.out.println();
                break;
            case 'C':
                System.out.println("=====-==================");
                System.out.println("Enter the withdraw amount is ");
                System.out.println("=====-==================");
                int amount2 = sc.nextInt();
                withdraw(amount2);
                System.out.println();
                break;
            case 'D':
                System.out.println("==========================");
                break;
            default:
                System.out.println("Invalid option please try again");
                break;
        }
    }while (option!='D');
}

}