A Fun GUI less Rock Paper Scissors game using Nested Loop and under fundamentals of Java. You will need JDK if opening in any IDE like Visual Studio Code or if your opening it in a bulit in Java Compiler like BlueJ.

Rock Paper and Scissors "GAME"

import java.util.Scanner;
import java.util.Random;
//importing java classes

public class game_1
{
    
    public static void main(String agrs[])
    {
        
        String options [] ={"Rock","Paper","Scissors"};
        //setting options
        
        Scanner sc = new Scanner(System.in);
        Random ra = new Random();
        
        System.out.println("Enter one of these: Rock , Paper or Scissors");
        String userMove = sc.nextLine();
        //Taking Inputs from the User
        
        int complndex = ra.nextInt();
        String compMove = options[complndex];
        //Random Choice from Computer
        System.out.println("Computer choose:"+compMove);
        
        if(userMove.equalsIgnoreCase(compMove))
        {
            System.out.println("its a tie");
        }
        
        else if(
                 (userMove.equalsIgnoreCase("Rock")&&compMove.equals("Scissors"))  ||
                 (userMove.equalsIgnoreCase("Paper")&&compMove.equals("Rock"))     ||
                 (userMove.equalsIgnoreCase("Scissors")&&compMove.equals("Paper"))
               )
        {
            System.out.println("YOU WIN!");
        } 
        
        else
        {
            System.out.println("Opps , YOU LOSE");
        }
    }
}