java - 无法对原始类型 char 调用 equals(char)

Question

我是编程新手，正在尝试破解一个基本的猜谜游戏，但我遇到了这个错误。需要一些帮助，因为我已将“猜测”设置为 char，然后想将它与 char 数组进行比较，但尝试了几种不同的方法，但还没有成功。

它在底部的 if 语句中给出了错误，其中包含:

(guess.equals(wordContainer[j]))

提前致谢。

我的代码:

import java.util.Scanner;  

public class GuessingGame {

    public static void main(String args[]) {

        Scanner keyboard = new Scanner(System.in);

        String wordArray[] = {"aardvarks", "determine", "different", "greatness", "miserable", "trappings", "valuables", "xylophone"};

        double rand = Math.random() * 8;
        int x = 0;      
        x = (int)rand;      

        System.out.println(x);

        String word = wordArray[x];
        int wordCount = word.length();

        System.out.println(word);
       // System.out.println(wordCount);

        char wordContainer[] = new char[wordCount];
        char wordHiddenContainer[] = new char[wordCount];

        String input;
        char guess;

        System.out.print("Enter your guess(a-z): ");
        input = keyboard.next();
        guess = input.charAt(0);

        for ( int i = 0 ; i < wordCount ; i++ ) {           
            wordContainer[i] = word.charAt(i);
            wordHiddenContainer[i] = '*';           
        }

        System.out.println(wordContainer);
        System.out.println(wordHiddenContainer);

        for (int j = 0; j <  word.length(); j++ ) {
            if(guess.equals(wordContainer[j])) {                
                wordHiddenContainer[j] = guess;

            }           
        }
    }   
}

Answer 1

基元与 == 进行比较。如果将 char 转换为包装类 Character，则可以使用 .equals()。

要么改变

1. char guess; 到 Character guess;

   或

2. if(guess.equals(wordContainer[j])) 到 if(guess == wordContainer[j]))。