java - 尝试访问数组java中的元素时表达式预期错误

Question

我创建了一个带有静态方法的类，我正在尝试访问 AllLanguages 数组中的一个元素

public final class AllLanguages {

    private static Language[] mLanguages;

    private  AllLanguages(Language[] languages) {
        mLanguages =  new Language[]
                {
                      new Language(R.drawable.united_kingdom, "English", "en"),
                        new Language(R.drawable.france, "French", "fr"),
                        new Language(R.drawable.israel, "Hebrew", "he"),
                        new Language(R.drawable.germany, "German", "de")
                };
    }

    public static Language[] getLanguages() {
        return mLanguages;
    }

    public static void setLanguages(Language[] mLanguages) {
        AllLanguages.mLanguages = mLanguages;
    }

    public Language getLanguage(int position) {
        return AllLanguages[position];
    }
}

在最后一个方法 (getLanguage) 中，我遇到了以下编译器错误“Expression Expected”。有什么想法吗？

Answer 1

AllLanguages 是一个类而不是数组，因此 AllLanguages[position] 是无效语法。

你需要改变

public Language getLanguage(int position) {
    return AllLanguages[position];
}

到

public Language getLanguage(int position) {
    return mLanguages[position];
}