英文: Java - methods bind at run time 问题 Line 4 gives an error because Java uses compile-time method r...
Java how to use toString method to return an accessor method
英文: Java how to use toString method to return an accessor method 问题 public class Box { // Data field...
Exception in thread "main" java.lang.NullPointerException when calling from different class
英文: Exception in thread "main" java.lang.NullPointerException when calling from different ...
在编码中,方法,整数到布尔值的理解
英文: While code, Method, Int to boolean understanding 问题 I'm reviewing some code for a college assign...
如何在类内创建一个ArrayList以及为什么要这样做?
英文: How to make an ArrayList inside a class and why like that? 问题 我正在创建一个简单的游戏,在游戏中我有一个User类,用来存储用户数...
Delete方法不会删除 – Java
英文: Delete method doesn't delete - Java 问题 I made a program that can display and edit a record. ...
当前歌曲在洗牌后出现了重复。我需要指导如何防止重复发生。
英文: The current song duplicates after shuffling. I need guidance in preventing duplicates from happe...
无法在Java中调用泛型对象的方法。
英文: Can't call method of a Generic Object in Java 问题 import java.util.*; class GenericClass<T...
创建一个使用Scanner调用来自单独类的方法的计算器。
英文: Creating a calculator that calls the methods from a separate class using scanner 问题 我正在创建一个计算器,其...
在Java中,是否可以修改作为函数参数传递的属性值?
英文: Is it possible to modify the value of an attribute sent in argument of a function in Java? 问题 I'...
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