java - java中的else循环

Question

所以我正在制作一个java程序，它会询问用户“你好吗”，如果不满足if和if else语句中的条件，那么它应该循环，但我不知道如何实现循环以使得当用户没有输入两个 if 语句中的任何内容时，它应该重复代码

这是我的代码

import java.util.Scanner;

public class simplechatbot {

    private static Scanner scanner;

    public static void main(String args[]) {

        scanner = new Scanner(System.in);

        System.out.print("What is your name");
        String greeting = scanner.nextLine();
        System.out.print("Hi" + " " + greeting + ", ");

        System.out.print("How are you");
        String howareyou = scanner.nextLine();

        if (howareyou.equalsIgnoreCase("good")) {
            System.out.print("Thats good to hear!");
        } else if (howareyou.equalsIgnoreCase("not good")) {
            System.out.print("Unfortunate");
        } else {
             /*
                this is where I want to put the loop that goes back to asking the user
                "how are you" until they say something which matches the criteria
             */
        }
    }
}

Answer 1

永远使用 while true 循环，除非满足其中一个中断条件:

import java.util.Scanner;

public class SimpleChatBot {

    public static void main(String args[]) {
        try (Scanner scanner = new Scanner(System.in)) {
            while (true) {
                System.out.print("What is your name");
                String greeting = scanner.nextLine();
                System.out.print("Hi" + " " + greeting + ", ");

                System.out.print("How are you");
                String howareyou = scanner.nextLine();
                if (howareyou.equalsIgnoreCase("good")) {
                    System.out.print("Thats good to hear!");
                    break;
                } else if (howareyou.equalsIgnoreCase("not good")) {
                    System.out.print("Unfortunate");
                    break;
                }
            }
        }
    }
}