Untitled

package rockpaperscissors2;

import java.util.Scanner;

import static java.lang.Math.random;

public class RockPaperScissors2 {

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        String[] choices = {"paper", "scissors", "rock"};
        int[] coinRewards = new int[10]; // Array to store coins for 10 rounds
        int totalCoins = 0;

        for (int round = 0; round < 10; round++) {
            // random index (for the computer)
            int rand = (int) (random() * 3);

            System.out.print("Enter your choice (paper/scissors/rock): ");
            String input = in.nextLine();
            System.out.printf("The computer choice is: %s\n", choices[rand]);
            int idx = rand;
            for (int i = 0; i < 3; i++) {
                if (i == rand) continue;
                if (compareStrings(input, choices[i])) idx = i;
            }

            if (rand - idx == -1 || rand - idx == 2) {
                System.out.println("The player wins");

                // Generate 2 random numbers as the coin rewards
                int a = (int) (Math.random() * 10);
                int b = (int) (Math.random() * 10);
                int sum = Math.addExact(a, b);

                // Store the coin reward in the array and update total coins
                coinRewards[round] = sum;
                totalCoins += sum;

                System.out.println("Congratulations, you have won " + sum + " coins!");
                System.out.println("Total coins so far: " + totalCoins);

            } else if (rand == idx) {
                System.out.println("It's a tie");
            } else {
                System.out.println("The Computer wins");
                System.out.println("Oh no! Try again.");
            }

            System.out.println("Round " + (round + 1) + " complete.");
        }

        // Display total coins won at the end of the game
        System.out.println("Game over! You played 10 rounds.");
        System.out.println("Total coins won: " + totalCoins);

        // Optional: Show the coins won in each round
        System.out.println("Coins won in each round:");
        for (int i = 0; i < 10; i++) {
            System.out.println("Round " + (i + 1) + ": " + coinRewards[i] + " coins");
        }
    }

    public static boolean compareStrings(String a, String b) {
        return a.equalsIgnoreCase(b); // Simple string comparison ignoring case
    }
}