Program to represent Bank Account- Using Constructor

 Program to represent Bank Account- Using Constructor

import java.io.DataInputStream;   // to load DataInputStream class

class Bank
{
    String name,type;
    int acno,bal,wit,dep;

    // To assign initial values by constructor
    Bank(String n, String t,int b)
    {
        name=n;
        type=t;
        bal=b;
    }
   

    // To deposit an amount
    void deposit()
    {
        //creating object of class DataInputStream.
                DataInputStream in = new DataInputStream(System.in);

        try
           {

            System.out.print(" Enter amt to deposit : ");
            dep = Integer.parseInt(in.readLine());
   
            bal=bal+dep;
            show();
        }
        catch(Exception e) {  System.out.println("I/O Error");   }
    }

    // To withdraw an amount after checking balance
    void withdraw()
    {
       
        //creating object of class DataInputStream.
                DataInputStream in = new DataInputStream(System.in);

        try
           {

            System.out.println("\nEnter amt to withdraw : ");
            wit = Integer.parseInt(in.readLine());
            if(bal-wit>=500)
                bal=bal-wit;
            else
                System.out.println("You cannot withdraw....");
            show();
        }

        catch(Exception e) {  System.out.println("I/O Error");   }
    }


    // To display the name and balance
    void show()
    {
        System.out.println("\nDepositor name :"+name);
        System.out.println("Type of Account :"+type);
        System.out.println("Balance :"+bal);
    }
}

class P25
{
    public static void main(String args[ ])
    {
        int choice;
        int ans;
        Bank b1=new Bank("Stavan","Saving",50000);  //providing initial value by constructor
       
        b1.show();

        //creating object of class DataInputStream.
                DataInputStream in = new DataInputStream(System.in);
       
        try
           {
            do
            {
                System.out.println("\n1. Deposit");
                System.out.println("2. Withdraw");
                System.out.print("Enter your choice (1/2) :");
                choice = Integer.parseInt(in.readLine());

                if(choice ==1)
                     b1.deposit();       
                if(choice ==2)
                     b1.withdraw();
                System.out.println("\nDo you want to continue ?(1: yes /0 : No)");
                ans = Integer.parseInt(in.readLine());
            }while(ans==1);
        }
        catch(Exception e) {  System.out.println("I/O Error");   }

    }
}