java - 如何退出Java循环？基本猜谜游戏中的 while 循环

Question

我正在尝试编写一个小游戏，但一直停留在如何提示用户是否想再次玩以及如何退出循环如果他们不想再次玩......

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

public class Guessinggame {

public static void main(String[] args) {

    System.out.println("Welcome to guessing game! \n" + " You must guess a number between 1 and 100. ");

    while (true) {

        Random randomNumber = new Random();
        Scanner g = new Scanner(System.in);

        int number = randomNumber.nextInt(100) + 1;
        int guess = 0;
        int numberOfGuesses = 0;

        while (guess != number){

            System.out.print("Guess: ");
            guess = g.nextInt();

            if (guess > number ){
                System.out.println( "You guessed too high!");
            }else if (guess < number ){
                System.out.println( "You guessed too low!");
            }else{
                System.out.println( "Correct! You have guessed "+ numberOfGuesses + " times. \nDo you want to play again? (y/n)  ");

            }
            numberOfGuesses++;


        }
    }
}

Answer 1

您可以使用break 来跳出当前循环。

for (int i = 0; i < 10; i++) {
  if (i > 5) {
    break;
  }
  System.out.Println(i);
}

打印:

0
1
2
3
4
5

但是，一个 do-while loop 可能更适合您的用例。