ZCBML13

import java.util.Arrays;
import java.util.Random;
import java.util.Scanner;
import java.util.ArrayList;
import java.util.regex.Pattern;
import java.util.regex.Matcher;


public class Assignment3 {
    public static void main(String[] args) {

ZCBML13

import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

public class JFrameCalculator {
    private JFrame frame;              // The main application window
    private JTextField textField;      // Text field for displaying and inputting numbers and operators
    private String currentInput = "";  // Stores the current input string
    private double currentResult = 0.0; // Stores the current calculated result

ZCBML13

import javax.swing.*;
import java.awt.event.*;

public class Buttons1 {
    public static void main(String[] args) {
        // Create a new JFrame (window) with the title "Circle Area Calculator"
        JFrame frame = new JFrame("Circle Area Calculator");
        // Set the default close operation to exit the application when the window is closed
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        // Set the initial size of the window to 300 pixels wide and 150 pixels tall

ZCBML13

import javax.swing.*;
import java.awt.event.*;

public class Buttons2 {
    public static void main(String[] args) {
        // Create a JFrame (window) with the title "Rectangle Area Calculator"
        JFrame frame = new JFrame("Rectangle Area Calculator");
        // Set the default close operation to exit the application when the window is closed
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        // Set the initial size of the window to 300 pixels wide and 150 pixels tall

ZCBML13

import javax.swing.*;
import java.awt.event.*;

public class Buttons3 {
    public static void main(String[] args) {
        // Create a JFrame (window) with the title "Personalized Message Generator"
        JFrame frame = new JFrame("Personalized Message Generator");
        // Set the default close operation to exit the application when the window is closed
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        // Set the initial size of the window to 400 pixels wide and 200 pixels tall

ZCBML13

import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.net.URL;
import java.util.Random;

public class RPSGame {

    private JFrame mainFrame;