I was hoping someone could provide some feedback with regards to this:import java.util.InputMismatchException;import java.util.Scanner;public class Bank {    protected double myBalance = 10.40;    protected double bankBalance = 1000000;    protected double creditRating = 0.1;    private static final int PIN = 1234;    boolean access = false;    protected Scanner s = new Scanner(System.in);    public Bank() {        int pin = 0000;        int option;        System.out.print(Please enter your 4 digit pin code: );        try {            pin = s.nextInt();        } catch (InputMismatchException e) {            System.out.print(Invalid character entered, bye bye...);        }        if (pin != PIN) {            System.err.println(Incorrect PIN entered, please try again later.);            System.exit(0);        }        access = true;        System.out.println(Welcome to JCBank please choose from the following options);        System.out.println();        System.out.println(Withdraw (1)\tDeposit (2)\tCheck Balance (3)\tApply for Loan(4) \tQuit (5));        System.out.println();        do {            option = s.nextInt();        } while(!selectOption(option));    }    public boolean selectOption(int option) {        switch (option) {            case 1:                System.out.println(You would like to withdraw);                System.out.println();                break;            case 2:                System.out.println(You would like to Deposit);                System.out.println();                break;            case 3:                System.out.println(Your account balance is  + myBalance);                System.out.println();                break;            case 4:                System.out.println(Please wait whilst we perform a credit check.);                try {                    checkCreditRating();                } catch (InterruptedException e) {                    System.out.println(How embarrassing, the system is currently unavailable. Try again later.);                }                System.out.println();                break;            case 5:                System.out.println(Successfully logged out, see you soon!);                System.out.println();                return true;            default:                System.out.println(Invalid option, please choose another option.);                System.out.println();                return false;        }            System.out.println(Please choose another option.);            return false;    }    public void deposit(double amount) {        myBalance += amount;    }    public void withdraw(double amount) {        if (myBalance > amount) {            System.out.println(Your funds have been successfully withdrawn.);        } else {            System.out.println(You don't have the funds to complete this transaction);        }    }    public void checkCreditRating() throws InterruptedException {        Thread.sleep(1000);        if (creditRating <= 0.0) {            System.err.println(Sorry, we can't lend you any money at this time.);            return;        }        System.out.print(Please enter your loan amount: );        double amount = s.nextDouble();        if (amount > bankBalance) {            System.err.println(We are unable to loan you such an amount.);        }        double amountToPayBack = (20/100)*amount;        System.out.println(The amount to payback is  + amountToPayBack);    }    public double checkAccountBalance() {        return myBalance;    }}
Bank transaction system
java;beginner;finance