OptionMenu.java

package com.supriya;
import java.text.DecimalFormat;
import java.util.*;
import java.io.IOException;
public class OptionMenu extends Account {
    Scanner menuInput = new Scanner(System.in);
    DecimalFormat moneyFormat = new DecimalFormat("'$',###.00");
    HashMap<Integer, Integer> data = new HashMap<Integer, Integer>();
    public void getLogin() throws IOException {
        int x = 1;
        do {
            try {
// account privalges

                data.put(989947, 71976);
                data.put(765432,5656);
                System.out.println("Welcome to the ATM Project!");
                System.out.println("Enter your customer Number");
                setCustomerNumber(menuInput.nextInt());
                System.out.print("Enter your PIN Number: ");
                setPinNumber(menuInput.nextInt());
            } catch (Exception e) {
                System.out.println("\n" + "Invalid Character(s). Only Numbers." + "\n");
                x = 2;
            }

            int cn = getCustomerNumber();
            int pn = getPinNumber();
            //data.get(key) return its value i.e pin number
            //containsKey is used to check whether particular key is being mapped or not return true if it mapped then returns false
            if (data.containsKey(cn) && data.get(cn) == pn) {
                getAccountType();
            } else
                System.out.println("\n" + "Wrong Customer Number or Pin Number" + "\n");
        } while (x == 1);
    }
    public void getAccountType() {
        System.out.println("Select the Account you Want to Access: ");
        System.out.println(" Type 1 - Checking Account");
        System.out.println(" Type 2 - Saving Account");
        System.out.println(" Type 3 - Exit");
        int selection = menuInput.nextInt();
        switch (selection) {
            case 1:
                getChecking();
                break;
            case 2:
                getSaving();
                break;
            case 3:
                System.out.println("Thank You for using this ATM, bye.  \n");
                break;
            default:
                System.out.println("\n" + "Invalid Choice." + "\n");
                getAccountType();
        }
    }
    public void getChecking() {
        System.out.println("Checking Account: ");
        System.out.println(" Type 1 - View Balance");
        System.out.println(" Type 2 - Withdraw Funds");
        System.out.println(" Type 3 - Deposit Funds");
        System.out.println(" Type 4 - Exit");
        System.out.print("Choice: ");
        int selection = menuInput.nextInt();
        switch (selection) {
            case 1:
                System.out.println("Checking Account Balance: " + moneyFormat.format(getCheckingBalance()));
                //2new Swing();
                //getAccountType();
                break;
            case 2:
                getCheckingWithdrawInput();
                getAccountType();
                break;
            case 3:
                getCheckingDepositInput();
                getAccountType();
                break;
            case 4:
                System.out.println("Thank You for using this ATM, bye.");
                break;
            default:
                System.out.println("\n" + "Invalid Choice." + "\n");
                getChecking();
        }
    }
    public void getSaving() {
        System.out.println("Saving Account: ");
        System.out.println(" Type 1 - View Balance");
        System.out.println(" Type 2 - Withdraw Funds");
        System.out.println(" Type 3 - Deposit Funds");
        System.out.println(" Type 4 - Exit");
        System.out.print("Choice: ");
        int selection = menuInput.nextInt();
        switch (selection) {
            case 1:
                System.out.println("Saving Account Balance: " + moneyFormat.format(getSavingBalance()));
                getAccountType();
                break;
            case 2:
                getsavingWithdrawInput();
                getAccountType();
                break;
            case 3:
                getSavingDepositInput();
                getAccountType();
                break;
            case 4:
                System.out.println("Thank You for using this ATM, bye.");
                break;
            default:
                System.out.println("\n" + "Invalid Choice." + "\n");
                getChecking();
        }
    }
}