Notes

import java.util.Scanner;

public class Main {

// This defines savings and current account balances so the amount of money withdrawn or deposited by the user will be
// stored throughout the program's execution
static double savingbalance = 1000;
static double currentbalance = 5000;

public static void main(String[] args) {

String Username = "idiot";
String Password = "6969";

Scanner input = new Scanner(System.in);
int attempts = 0;
boolean isLoggedIn = false;

System.out.println("*************************************************************************************************");
System.out.println("Registration successful!");
System.out.println("Welcome to Tiered Banking Management System!");
System.out.println("Please log in using your credentials");
System.out.println("*************************************************************************************************");

while (attempts < 3 && !isLoggedIn) {
//checks if user attempts is less than 3 and if the isLoggedIn status is false
//while user attempts is less than 3, allow user to try again
//while isLoggedIn status is false, allow user to try again
//if attempts exceeds 3, then program will exit
//if isLoggedIn status becomes true and attempts is less then 3, then let user log in
System.out.println("Enter Username: ");
String username = input.next();

System.out.println("Enter Password: ");
String password = input.next();

System.out.println("*************************************************************************************************");

if (username.equals(Username) && password.equals(Password)) {
//if user input for name and pass is right, then isLoggedIn will become true and will let you in
System.out.println("Access Granted! Welcome!");
isLoggedIn = true;
menu();
} else {
attempts++;
// if user input for name or pass is wrong, adds 1 to attempt counter and makes user try again
if (attempts < 3) {
System.out.println("Invalid Username or Password! Please try again.");
System.out.println("*************************************************************************************************");
}
}
}

if (!isLoggedIn) {
//if total attempts reaches 3, then exit program
System.out.println("Program exit; You have exceeded the maximum login attempts.");
}

input.close();
}
//display the menu
public static void menu() {
System.out.println("*************************************************************************************************");
System.out.println("Welcome to the Account Menu!");
System.out.println("Please select the number corresponding to the account you would like to use!");
System.out.println("1.) Savings Account");
System.out.println("2.) Current Account");
System.out.println("3.) Exit Program");
System.out.println("*************************************************************************************************");

Scanner scanner = new Scanner(System.in);
int acctype = scanner.nextInt();
int accattempt = 0;
boolean isAccSelected = false;

while (accattempt < 3 && !isAccSelected) {
//idk why acc selection is also limited to 3 but whatever

switch (acctype) {
case 1:
System.out.println("*************************************************************************************************");
System.out.println("Welcome to your Savings Account! What would you like to do today?");
isAccSelected = true;
savingAccount(); // directs user to savings account method
break;
case 2:
System.out.println("*************************************************************************************************");
System.out.println("Welcome to your Current Account! What would you like to do today?");
isAccSelected = true;
currentAccount(); // directs user to current account method
break;
case 3:
isAccSelected = true; // if this is not here, then program will continuesly loop
exit(); // stops program
break;
default:
System.out.println("Unfortunately that is not in the options, please try again!");
accattempt++;
break;
}
}
}

public static void savingAccount() {

System.out.println("*************************************************************************************************");
System.out.println("1.) Check Balance");
System.out.println("2.) Deposit Money");
System.out.println("3.) Withdraw Money");
System.out.println("4.) Calculate Interest (Savings Only)");
System.out.println("5.) Logout");
System.out.println("*************************************************************************************************");

Scanner scanner = new Scanner(System.in);
int savingsAccountOption = scanner.nextInt();

switch (savingsAccountOption) {
case 1:
System.out.println("*************************************************************************************************");
System.out.println("Your current balance is " + savingbalance);
pausesavingAccount();
break;
case 2:
System.out.println("*************************************************************************************************");
// will loop until user inputs a valid deposit amount
double deposit = -1;
while (deposit <= 0) {
System.out.println("How much money would you like to deposit to your account?");
deposit = scanner.nextDouble();
if (deposit <= 0) {
System.out.println("Input error: Please enter a positive amount for deposit.");
}
}
savingbalance += deposit; // updates savings balance so it will be stored in memory throughout the whole program

System.out.println("*************************************************************************************************");
System.out.println("Transaction completed!");
pausesavingAccount();
break;
case 3:
System.out.println("*************************************************************************************************");
double withdrawAmount = -1;
while (withdrawAmount <= 0) {
System.out.println("How much money would you like to withdraw from your account?");
withdrawAmount = scanner.nextDouble();
if (withdrawAmount <= 0) { //if withdrawAmount is negative, then ask user to try again
System.out.println("Error: Please enter a positive amount to withdraw.");
} else if (withdrawAmount > 20000) { //if withdrawAmount is greater than20k, then ask user to try again
System.out.println("Error: Withdrawal limit is 20,000 per transaction.");
withdrawAmount = -1; // Reset so user can try again
} else if (withdrawAmount > savingbalance) { //if user withdraws money that is greater than in acc, asks user to try again
System.out.println("Error: Insufficient funds.");
withdrawAmount = -1; // resets for retry
}
}
savingbalance -= withdrawAmount; // will update savings balance
System.out.println("*************************************************************************************************");
System.out.println("Transaction completed!");
pausesavingAccount();
break;
case 4:
System.out.println("*************************************************************************************************");
System.out.println("Your interest is: " + (savingbalance * 0.03)); // calculates interest based on current amount of account balance
pausesavingAccount();
break;
case 5:
System.out.println("*************************************************************************************************");
System.out.println("You have logged out and returned to the menu.");
menu();
break;
default:
System.out.println("Unfortunately that is not in the options, please try again!");
savingAccount();
break;
}
}
// I'm tired of putting notes, same thing here also happens on savings account anyways
public static void currentAccount() {

System.out.println("*************************************************************************************************");
System.out.println("1.) Check Balance");
System.out.println("2.) Deposit Money");
System.out.println("3.) Withdraw Money");
System.out.println("4.) Logout");
System.out.println("*************************************************************************************************");

Scanner scanner = new Scanner(System.in);
int currentAccountOption = scanner.nextInt();

switch (currentAccountOption) {
case 1:
System.out.println("*************************************************************************************************");
System.out.println("Your current balance is " + currentbalance);
pausecurrentAccount();
break;
case 2:
System.out.println("*************************************************************************************************");
System.out.println("How much money would you like to deposit to your account?");
double deposit = scanner.nextDouble();
currentbalance += deposit;

System.out.println("*************************************************************************************************");
System.out.println("Transaction completed!");
pausecurrentAccount();
break;
case 3:
System.out.println("*************************************************************************************************");
double withdrawAmount = -1;
while (withdrawAmount <= 0) {
System.out.println("How much money would you like to withdraw from your account?");
withdrawAmount = scanner.nextDouble();
if (withdrawAmount <= 0) {
System.out.println("Error: Please enter a positive amount to withdraw.");
} else if (withdrawAmount > currentbalance) {
System.out.println("Error: Insufficient funds.");
withdrawAmount = -1;
}
}
currentbalance -= withdrawAmount;
System.out.println("*************************************************************************************************");
System.out.println("Transaction completed!");
pausecurrentAccount();
break;
case 4:
System.out.println("*************************************************************************************************");
System.out.println("You have logged out and have been returned to the menu.");
menu();
break;
default:
System.out.println("Unfortunately that is not in the options, please try again!");
currentAccount();
break;
}
}
// self explanatory
public static void pausesavingAccount() {
System.out.println("*************************************************************************************************");
System.out.println("If you would like to go back, please type 1, but if you would like to exit, please press any number that is not 1");

Scanner scanner = new Scanner(System.in);
int pauseOption = scanner.nextInt();

if (pauseOption == 1) {
savingAccount();
} else {
exit();
}
}
// same here
public static void pausecurrentAccount() {
System.out.println("*************************************************************************************************");
System.out.println("If you would like to go back, please type 1, but if you would like to exit, please press any number that is not 1");

Scanner scanner = new Scanner(System.in);
int pauseOption = scanner.nextInt();

if (pauseOption == 1) {
currentAccount();
} else {
exit();
}
}
// exits the program, only located on account options
public static void exit() {
System.out.println("*************************************************************************************************");
System.out.println("Thank you for using Tiered Banking Management System, have a nice day!");
}
}
//FINALLY I'M FREE AUGHAGSDAIUSGAHGSAH