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

public class gsgs {
    public static void main(String[] args) {
        while (true) {
            int i = (int) (1 + Math.random() * 3);
            //double j =new Random().nextInt();
            System.out.println(" if stone = 1,scissor = 2,cloth = 3");
            System.out.print("Please put you choose:");
            Scanner a = new Scanner(System.in);
            int b = a.nextInt();

            if (b == 1) {
                System.out.println("you choose to stone");
            }
            if (b == 2) {
                System.out.println("you choose to scissor");
            }
            if (b == 3) {
                System.out.println("you choose to cloth");
            }
            if (i == 1) {
                System.out.println("i choose to stone");
            }
            if (i == 2) {
                System.out.println("i choose to scissor");
            }
            if (i == 3) {
                System.out.println("i choose to cloth");
            }

            switch ((int) b) {
                case 1:
                    switch (i) {
                        case 1: {
                            System.out.println("It's your pleasure to draw with me");
                        }
                        break;
                        case 2: {
                            System.out.println("Let you win");
                        }
                        break;
                        case 3: {
                            System.out.println("That's it?You can't either");
                        }
                        break;
                    }
                    break;
                case 2:
                    switch (i) {
                        case 1: {
                            System.out.println("That's it?You can't either ");
                        }
                        break;
                        case 2: {
                            System.out.println("It's your pleasure to draw with me");
                        }
                        break;
                        case 3: {
                            System.out.println("Let you win");
                        }
                        break;
                    }
                    break;

                case 3:
                    switch (i) {
                        case 1: {
                            System.out.println("Let you win ");
                        }
                        break;
                        case 2: {
                            System.out.println("That's it?You can't either");
                        }
                        break;
                        case 3: {
                            System.out.println("It's your pleasure to draw with me");
                        }
                        break;
                    }
                default: System.out.println("Unruly,like you,it's time to fight");

            }
            System.out.println();

        }
    }
}

簡單的一個石頭剪刀布