Rock, Paper, Scissor game using Java

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  RockPaperScissors.java

//by @ItsParna // Topics: Scanner, Strings, Random

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

class RockPaperScissors
{
    public static void main(String[] args)
    {
        Scanner sc = new Scanner(System.in);
        Random rand = new Random();
        int num;
        String userChoice = "";
        String computerChoice = "";
        int userWins = 0;
        int computerWins = 0;

        System.out.println("Welcome to Rock, Paper, and Scissors!");

        // Repeat this section
        for(int i=0;i<3;i++)
        {
            System.out.print("\nPlease choose R)ock, P)aper, or S)cissors. > ");

            userChoice = sc.nextLine();

            // Computer choice
            num = rand.nextInt(3);

            if(num == 0)
            {
                computerChoice = "R";
            }
            else if(num == 1)
            {
                computerChoice = "P";
            }
            else if(num == 2)
            {
                computerChoice = "S";
            }

            // Print the computer choice
            if(computerChoice.equals("S"))
            {
                System.out.println("The computer chose scissors.");
            }

            else if(computerChoice.equals("R"))
            {
                System.out.println("The computer chose rock.");
            }

            else if(computerChoice.equals("P"))
            {
                System.out.println("The computer chose paper.");
            }

            // Determine a winner
            if(userChoice.equals("R") && computerChoice.equals("S"))
            {
                System.out.println("The user won!");
                userWins++;
            }

            else if(userChoice.equals("P") && computerChoice.equals("R"))
            {
                System.out.println("The user won!");
                userWins++;
            }

            else if(userChoice.equals("S") && computerChoice.equals("P"))
            {
                System.out.println("The user won!");
                userWins++;
            }

            else if(userChoice.equals("S") && computerChoice.equals("R"))
            {
                System.out.println("The computer won!");
                computerWins++;
            }

            else if(userChoice.equals("R") && computerChoice.equals("P"))
            {
                System.out.println("The computer won!");
                computerWins++;
            }

            else if(userChoice.equals("P") && computerChoice.equals("S"))
            {
                System.out.println("The computer won!");
                computerWins++;
            }

            else if(userChoice.equals(computerChoice))
            {
                System.out.println("Tie!");
            }
            // End repeat here
            System.out.println("User Wins: " + userWins + " Computer Wins: " + computerWins);
        }

        // Determine the final winner
        if(userWins > computerWins)
        {
            System.out.println("The user is the ultimate winner!");
        }
        else if (userWins < computerWins)
        {
            System.out.println("The computer is the ultimate winner!");
        }
        else
        {
            System.out.println("The game is tied!");
        }
    }
}

Built With

• java