code: import java.util.Arrays;
  import java.util.Random;
  import java.util.Scanner;
  import java.util.stream.IntStream;
  
  public interface PigDice {
    public static void main(String... arguments) {
      final int maxScore = 100;
      final int playerCount = 2;
      final String[] yesses = {"y", "Y", ""};
  
      final Scanner scanner = new Scanner(System.in);
      final Random random = new Random();
  
      final int[] safeScore = new int[2];
      final int[] score = new int[2];
  
      IntStream.iterate(0, player -> (player + 1) % playerCount)
        .map(player -> {
          boolean isRolling = true;
          while (isRolling) {
            System.out.printf(
              "Player %d: (%d, %d) Rolling? (y/n) ",
              player,
              safeScore[player],
              score[player]
            );
            isRolling =
              safeScore[player] + score[player] < maxScore
                && Arrays.asList(yesses).contains(scanner.nextLine())
            ;
            if (isRolling) {
              final int rolled = random.nextInt(6) + 1;
              System.out.printf("Rolled %d\n", rolled);
              if (rolled == 1) {
                System.out.printf(
                  "Bust! You lose %d but keep %d\n\n",
                  score[player],
                  safeScore[player]
                );
                return -1;
              } else {
                score[player] += rolled;
              }
            } else {
              safeScore[player] += score[player];
              if (safeScore[player] >= maxScore) {
                return player;
              }
              System.out.printf("Sticking with %d\n\n", safeScore[player]);
            }
          }
          score[player] = 0;
          return -1;
        })
        .filter(player -> player > -1)
        .findFirst()
        .ifPresent(player ->
          System.out.printf(
            "\n\nPlayer %d wins with a score of %d",
            player,
            safeScore[player]
          )
        )
      ;
    }
  }
  