英文: what happens if two objects acess the same instance variable? 问题 我创建了一个用户定义的对象,该对象访问一个实例变量和一个方法。...
能有人解释一下这种情况下变量字节的输出,它出现为负数。
英文: Can anyone explain the output of variable byte in this case, it is occuring in negative 问题 我知道它超...
MySQL – Java语法错误。为什么这不起作用?
英文: MySQL - Java syntax error. Why this doesnt work? 问题 错误行在“BETWEEN DATE_SUB(now(), interval ” + da...
可以在Java的类方法中使用类变量吗?
英文: Can I use class variable in class method in Java? 问题 我正在学习Java,并且在自己练习。 我尝试创建一个类变量 String userna...
Java "Type mismatch: cannot convert from int[][] to int" when returning copied array
英文: Java "Type mismatch: cannot convert from int[][] to int" when returning copied array 问...
What's the proper way or underlying difference of initializing a static variable in one way or another in Java language?
英文: What's the proper way or underlying difference of initializing a static variable in one way ...
我想动态地从其他类中获取一些值,例如:
英文: I want to get some value from other class dynamicly for ex: 问题 public class Data{ public class F...
函数参数的名称是否可以与调用函数时使用的变量相同?
英文: Is it valid for function parameter's names to be the same as the variables used in the call ...
可见的变量在C++中,以及如何使变量更可见。
英文: Visible variables in c++ and how to make variable visible more 问题 我仍然是C++的初学者,但我了解一些。我正在学习第一学期,我...
How to assign variables in same class that use each other when getting data from previous view
英文: How to assign variables in same class that use each other when getting data from previous view 问...
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