How do I turn the code below into a GUI using JFrame and JPanel?

import java.util.Scanner;

class Wk4 {

//A method for reverse

public static void reverseMethod(int number) {

if (number < 10) {

System.out.println(number);

return;

}

else {

System.out.print(number % 10);

//Method is calling itself: recursion

reverseMethod(number/10);

}

}

public static void main(String args[]) {

int num=0;

System.out.println("Input your number and press enter: ");

Scanner in = new Scanner(System.in);

num = in.nextInt();

System.out.print("Reverse of the input number is:");

reverseMethod(num);

System.out.println(); } }