发简信
IP属地：重庆
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2020-03-22
Java was designed from the ground up to use 16-bit(2 byte) Unicode chara...
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关于使用Exceptions的几点小贴士
1. Exception handling is not supposed to replace a simple test.The moral...
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java中的异常Notice that all exceptions descend from Throwable, but the hierarchy im...
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如何在静态方法中获取当前类名
When you produce logging or debugging messages, you often want to includ...
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内部类与外部类的关系一
Traditionally, a method could refer to the data fields of the object in...
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为什么要有内部类？
An inner class is a class that is defined inside another class. Why wou...
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python字典迭代顺序问题
Before Python 3.6 a regulardictdid not track the insertion order, and i...
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我们需要在自己的类中实现clone方法吗？
Should you implement clone in your own classes? If your clients need to...
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Interfaces and Abstract Classe(有了抽象类，为什么还需要接口？)
If you read the section about abstract classes in Chapter 5, you may won...