我正在用java语言为学校做一个测验项目，我被卡住了。
问题是，我必须做一个while循环，检查用户的答案是否匹配正确的答案，然后打印出他们是否正确的分数。在while循环中，一旦它将useranswer与if语句中的一个答案匹配，它就会永远打印出相同的语句。所以，我尝试在if语句中使用一个布尔值来解决这个问题，只打印一次。但是这样做会中断while循环，因为它在打印出语句之后什么都不做，程序只是停止做任何事情，因为它不会出现错误或结束，但它只是显示为空白。如何继续while循环一遍又一遍地问问题，直到键入“x”结束循环，而不必无限打印。
先谢谢你。

import java.util.Scanner;

public class miniProject {
    public static void main(String[] args) {
        quiz_Check();
        System.exit(0);
    }

    //this method asks the user question and saves the answer
    public static String askUser() {
        Scanner scanner = new Scanner(System.in);
        System.out.println("Name one of the 2020 US election candidate");
        String userAnswer = scanner.nextLine();
        return userAnswer;
    }

    //this method checks the users answer and evaluates if they were correct and then gives them a score and prints out if they were correct
    public static int quiz_Check(){

        String userAnswer = askUser();
        int score = 0;

        while(!askUser().equals("X")){
            if ((userAnswer.equals("Kanye West"))){
                score+=2;
                System.out.println("Correct Answer! "+ userAnswer +" is worth 2 points!");
            }
            else if((userAnswer.equals("Donald Trump"))){
                score+=42;
                System.out.println("Correct Answer! "+ userAnswer +" is worth 42  points");
            }
            else if((userAnswer.equals("Joe Biden"))){
                score+=78;
                System.out.println("Correct Answer! "+ userAnswer+" is worth 78 points");
            }
            else{
                score+=100;
            }
        }

        return score;
    }

    //this method prints out the score
    public static void quiz_Score(){

        int score=quiz_Check();

        System.out.println("The score is: "+score);

        return;
    }
}