GUI Jupyter Notebook

import javax.swing.JOptionPane;
import java.util.Random;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JLabel;
import javax.swing.JButton;
import java.awt.*;
import java.awt.event.*;

public class RockPaperScissors implements ActionListener{
    JFrame frame = new JFrame("Rock Paper Scissors");
    JPanel panel = new JPanel();
    JButton rock = new JButton("Rock");
    JButton paper = new JButton("Paper");
    JButton scissor = new JButton("Scissor");
    JLabel computer = new JLabel();
    JLabel result = new JLabel();

    void setup() {
        frame.add(panel);
        panel.add(rock);
        panel.add(paper);
        panel.add(scissor);
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setVisible(true);
        rock.addActionListener(this);
        paper.addActionListener(this);
        scissor.addActionListener(this);
        panel.add(computer);
        panel.add(result);
        frame.setSize(new Dimension(400,300));
    }

    @Override
    public void actionPerformed(ActionEvent e) {
        Random rand = new Random();
        int numInp = rand.nextInt(3);
        int guess = 0;
        if(numInp == 0){
            computer.setText("Computer picked rock | ");
        }else if(numInp == 1){
            computer.setText("Computer picked paper | ");
        }else if(numInp == 2){
            computer.setText("Computer picked scissor | ");
        }
        
        if (e.getSource() == rock) {
            if(numInp == 0){
                result.setText("Tie, go again");
            }else if (numInp == 1){
                result.setText("You lose");
            }else if(numInp ==2){
                result.setText("You win");
            }
        } else if (e.getSource() == paper) {
            if(numInp == 0){
                result.setText("You win");
            }else if (numInp == 1){
                result.setText("Tie, go again");
            }else if(numInp ==2){
                result.setText("You lose");
            }
        }else if (e.getSource() == scissor) {
            if(numInp == 0){
                result.setText("You lose");
            }else if (numInp == 1){
                result.setText("You win");
            }else if(numInp ==2){
                result.setText("Tie, go again");
            }
        }

    }

    public static void main(String[] args) {
        RockPaperScissors rps = new RockPaperScissors();
        rps.setup();
    }
}
RockPaperScissors.main(null);

import javax.swing.JOptionPane;
public class BinaryToDecimal {
    public static void main(String[] args) {
        String uInputNum = JOptionPane.showInputDialog("Enter a binary number to convert to a decimal");
        BinaryToDecimal btd = new BinaryToDecimal();
        JOptionPane.showMessageDialog(null, btd.convertBinaryStringToDecimalInt(uInputNum));
    }
    

    int convertBinaryStringToDecimalInt(String binStr) {
        int total = 0;
        int length = binStr.length();
        for(int i = length-1; i>=0;i--) {
            if(binStr.charAt(i)=='1') {
                total+= Math.pow((double)2, (double)(length-1-i));
            }
        }
    return total;
    }
}
BinaryToDecimal.main(null);

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JLabel;
import javax.swing.JButton;
import javax.swing.JTextField;
import java.awt.*;
import java.awt.event.*;
import javax.swing.JOptionPane;
import java.math.BigInteger;

public class Menu implements ActionListener {
    JFrame frame = new JFrame("Math Functions");
    JPanel panel = new JPanel();
    JButton f1 = new JButton("Binary to Decimal Converter");
    JButton f2 = new JButton("Prime Number In Range");
    JButton f3 = new JButton("Odd or Even Checker");
    JButton f4 = new JButton("GCD");
    JLabel label = new JLabel();

    void setup() {
        frame.add(panel);
        panel.add(f1);
        panel.add(f2);
        panel.add(f3);
        panel.add(f4);
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setVisible(true);
        f1.addActionListener(this);
        f2.addActionListener(this);
        f3.addActionListener(this);
        f4.addActionListener(this);
        panel.add(label);
        frame.setSize(new Dimension(600,300));
    }

    public static void main(String[] args) {
        Menu m = new Menu();
        m.setup();
    }

    void convertBinaryStringToDecimalInt() {
        String uInputNum = JOptionPane.showInputDialog("Enter a binary number to convert to a decimal");
        int total = 0;
        int length = uInputNum.length();
        for(int i = length-1; i>=0;i--) {
            if(uInputNum.charAt(i)=='1') {
                total+= Math.pow((double)2, (double)(length-1-i));
            }
        }
    JOptionPane.showMessageDialog(frame, "Decimal: "+ total);
    }

    void primesFunction(){
    ArrayList<Integer> primes = new ArrayList<Integer>();
        String userInput = JOptionPane.showInputDialog("What range of numbers do you want to test?(2-number)");
        int x = Integer.parseInt(userInput);
        boolean isPrime=false;
        for(int i = 2; i < x; i++){
            for(int j = 2; j <= i/2; j++){
                isPrime=true;
                if (i % j == 0) {
                    isPrime = false;
                    break;
                }
            }
            if(isPrime==true){
                
                primes.add(i);
            }
        }
        String outputStr = "";
        for (int num : primes)
	      { 		      
	         outputStr = outputStr + num +" " ;
	      }
          JOptionPane.showMessageDialog(frame,"Primes between 2 and "+x+": "+"3 "+outputStr );
    }

    void oddOrEven(){
        String inp = JOptionPane.showInputDialog("Enter a number to check");
        int inp1 = Integer.parseInt(inp);
        if(inp1%2==0){
            JOptionPane.showMessageDialog(null, inp1+" is a even number!");
        }else{
            JOptionPane.showMessageDialog(null, inp1+" is a odd number!");
        }
    }

    void gcdFunction() {
        String num1 = JOptionPane.showInputDialog("First number for gcd");
        String num2 = JOptionPane.showInputDialog("Second number for gcd");
        int num1int = Integer.parseInt(num1);
        int num2int = Integer.parseInt(num2);
        if(num1int>num2int){
            int temp = num1int;
            num1int = num2int;
            num2int = temp;
        }
        BigInteger b1 = BigInteger.valueOf(num1int);
        BigInteger b2 = BigInteger.valueOf(num2int);
        BigInteger gcd = b1.gcd(b2);
        JOptionPane.showMessageDialog(null, gcd.intValue());
    }

    @Override
    public void actionPerformed(ActionEvent e) {
        if (e.getSource() == f1) {
            convertBinaryStringToDecimalInt();
        } else if (e.getSource() == f2) {
            primesFunction();
        }else if (e.getSource() == f3) {
            oddOrEven();
        }else if (e.getSource() == f4) {
            gcdFunction();
        }

    }

}

Menu.main(null);