Exercise 11

Class Name MonthBalance

import javax.swing.JOptionPane;
public class MonthBalance {

   
    public static void main(String[] args) {
        String choice="element";
        String Menu="\nd-Deposit \nw-Withdrawal \ne-Exit";
        
           String Choice="element";
        double balance = 0,d=0;
        double yearlyRate=0.025,w=0;
      
  

  
   do{
       choice=JOptionPane.showInputDialog(Menu+"\n Enter Choice:");
       choice=choice.toLowerCase();
      
       switch(choice.charAt(0) ){
      
       case 'd':
         
     JOptionPane.showMessageDialog(null,"Beginning of Month Balance:" + balance);
    balance=Double.parseDouble(JOptionPane.showInputDialog("enter Deposit"));
     JOptionPane.showMessageDialog(null,"Beginning of Month Balance:" + balance);
   
     break;
    
       case 'w':
         
       JOptionPane.showMessageDialog(null,"Beginning of Month Balance:"+balance);
       w=Double.parseDouble(JOptionPane.showInputDialog("Enter withdrawal amount:"));
       balance = balance+(yearlyRate / 12) * balance;
       JOptionPane.showMessageDialog(null,"Balance after transaction:"+ (balance=balance-w));
     
       break;
      
       case 'e': System.exit(0);
      
       break;
      
       default:JOptionPane.showMessageDialog(null,"Access Denied!");
       }
       }while(choice.charAt(0)!=('e'));
       }
  

    }