Question

我正在使用数组制作词汇练习程序（我知道，不是列表，但我需要数组练习）。但是，一切顺利，直到程序评估类型的答案（当程序向用户询问时）是否是实际定义。我总是得到错误的答案，我不知道为什么。这是整个计划：

import java.util.Scanner;

public class organ {
public Scanner input = new Scanner(System.in);
public String language;
public int temp;

public static void main(String[] args){
    organ organObject = new organ();
    organObject.greeting();
    organObject.ending();
}

public void greeting(){
    System.out.println("Hello! Do you want to practice vocabulary in English or Spanish?");
    //Need to fix this grammar.
    System.out.println("!Hola! ?Quieres practicar el vocabulario en ingles o espanol?");
    language = input.nextLine();
    checkLanguage(language);
}
public void checkLanguage(String answer){
    if (language.equals("English") || language.equals("ingles")){
        englishTree();
    }
    else{
        spanishTree();
    }
}
public void englishTree(){
    System.out.println("How many words do you want to practice using?");
    int temp = input.nextInt();
    String[] wordStorage = new String[temp];
    String[] meaningStorage = new String[temp];
    String answer;
        for(int counter = 0; counter < wordStorage.length; counter++){

            System.out.println("What is word number " + (1 + counter) +   "?");
            wordStorage[counter] = input.next();

            System.out.println("What is def number " + (1 + counter) + "?");
            meaningStorage[counter] = input.next();
        }
    if (wordStorage.length > 10) {
        System.out.println("Stop. Now.");
    }
    System.out.println("Alright, let's get to the good stuff.");
    for(int counter = 0; counter < wordStorage.length; counter++){
        System.out.println("What is the meaning of " + wordStorage[counter] + "?");
        answer = input.next();
        if (answer == meaningStorage[counter]){
            System.out.println("Correct!");
        }
        if (answer != meaningStorage[counter]){
            System.out.println("Wrong. The answer is " + meaningStorage[counter] + ".");
        }
    }
}
public void spanishTree(){
    System.out.println("Espere.");
}
public void ending(){
    System.out.println("This is the ending of the program for now. Bye!");
}

} 问题出在“好吧，让我们找到好东西。”

Answer 1

您正在使用==来比较字符串。使用.equals()

str1.equals(str2)代替str1 == str2。

在for循环中没有从if语句中获取正确的输出？

1 个答案: