Main.java

import java.util.*;

public class Main {
    public static void main(String[] args) {
        AtmOperationImpl op = new AtmOperationImpl();
        int atmnumber = 12345;
        int atmpin = 123;
        Scanner in = new Scanner(System.in);

        System.out.println("Welcone to ATM Machine !!!");

        System.out.print("Enter Atm number: ");
        int atmNumber = in.nextInt();
        System.out.print("Enter Pin: ");
        int pin = in.nextInt();

        if ((atmnumber == atmNumber) && (atmpin == pin)) {
            while (true) {
                System.out.println("1.View Available Balance\n2.Withdraw Amount\n3.Deposit Amount\n4.View Ministatement\n5.Exit");
                System.out.println("Enter choice : ");
                int ch = in.nextInt();
                if (ch == 1) {
                    op.viewBalance();
                } else if (ch == 2) {
                    System.out.println("Enter Amount to withdraw");
                    double withdrawAmount = in.nextDouble();
                    op.withdrawAmount(withdrawAmount);
                } else if (ch == 3) {
                    System.out.println("Enter Amount to Deposit :");
                    double depositAmount = in.nextDouble();//5000
                    op.depositAmount(depositAmount);
                } else if (ch == 4) {
                    op.viewMiniStatement();
                } else if (ch == 5) {
                    System.out.println("Collect your ATM Card\nThank you for using ATM Machine !!");
                    System.exit(0);
                } else {
                    System.out.println("Please enter correct choice");
                }

            }


            // System.out.println("Validation done");
        } else {
            System.out.println("Incorrect Atm number or pin");
            System.exit(0);
        }

    }
}