空山新雨:
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[阅读: 389] 2006-08-30 07:56:43
When the constructor of a class is called, if you didn't make explicit call to the constructor(s) of its super class, the default constructor of its super class will automatically be called before any statment in this class is executed.
If the super class doesn't have a default constructor, you will get a compile error of "constructor of super class must be called as the first statement of constructor of this class"
Understand?