RockPaperScissorsGame.java

import java.util.Scanner;
import java.util.Random;

public class RockPaperScissorsGame {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        System.out.println("Welcome To Rock,Paper,Scissor Game");

        String[] choices = {"Rock","Paper","Scissor"};

        // uis = User Score
        //cis = Computer Score (Computer = Jarvis)
        int uis=0 ,cis =0, draws=0 ;
        Random random = new Random ();
        for(int i = 1; i <= 3; i++){
            System.out.println("Round" +i+ ":");
            System.out.println("Enter your choice(1=Rock, 2=Paper, 3=Scissor) :");
            int ui = sc.nextInt();

            //ui = User Choice
            //ci = Computer Choice
            while(ui<1 && ui>3){
                System.out.println("Invalid Choice");
                ui = sc.nextInt();
            }
            int ci = random.nextInt(3) +1;
            System.out.println("Jarvis Choses :"+ci);
            System.out.println("Soham Choses :"+ui);
            if(ci == ui){
                System.out.println("It's Draw!");
                draws++;
            } else if((ui==1 && ci==3)||(ui==2 && ci ==1)||(ui==3 && ci ==2)) {
                System.out.println("You win this round!!");
                uis++;
            } else {
                System.out.println("Jarvis Won This Round!!");
                cis++;
            }
            System.out.println();
        }
        // final result
        System.out.println("Score after 3 rounds:");
        System.out.println("You: " + uis);
        System.out.println("Computer: " + cis);
        System.out.println("Draws: " + draws);
        if (uis > cis) {
            System.out.println("Overall winner: Soham !!");
        } else if (cis > uis) {
            System.out.println("Overall winner: Jarvis !!");
        } else {
            System.out.println("It's an overall draw!");
        }
    }
}