RockPaperScissors.java

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

public class RockPaperScissors {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        Random random = new Random();

        System.out.println("Let's play Rock, Paper, Scissors!");

        while (true) {
            System.out.print("Enter your choice (rock, paper, or scissors): ");
            String playerChoice = scanner.nextLine().toLowerCase();

            if (!playerChoice.equals("rock") && !playerChoice.equals("paper") && !playerChoice.equals("scissors")) {
                System.out.println("Invalid choice. Please try again.");
                continue;
            }

            String[] choices = {"rock", "paper", "scissors"};
            String computerChoice = choices[random.nextInt(choices.length)];

            System.out.println("You chose " + playerChoice + ". The computer chose " + computerChoice + ".");

            if (playerChoice.equals(computerChoice)) {
                System.out.println("It's a tie!");
            } else if (
                (playerChoice.equals("rock") && computerChoice.equals("scissors")) ||
                (playerChoice.equals("paper") && computerChoice.equals("rock")) ||
                (playerChoice.equals("scissors") && computerChoice.equals("paper"))
            ) {
                System.out.println("You win!");
            } else {
                System.out.println("The computer wins!");
            }

            System.out.print("Do you want to play again? (y/n): ");
            String playAgain = scanner.nextLine().toLowerCase();

            if (!playAgain.equals("y")) {
                break;
            }
        }

        scanner.close();
    }
}