tamping Java Basic Two--reflection (3): Class internal information acquisition

People always tired, when feeling tired, and then adhere to the good, and then hold on.

In the last two articles, to tell you about the method of obtaining information about the surrounding of the class, this article will go deep into the inside of the class, to see the class constructor, internal variables, functions and other information acquisition methods. This article is more important than that.
first, the correlation of the constructor function gets 1. Get constructors to get the constructor of a class, there are several methods:

Gets the constructor for the public type constructor<?>[] GetConstructors (); Constructor<t> GetConstructor (class<?> parametertypes);//Get all types of constructors constructor<?>[] Getdeclaredconstructors (); Constructor<t> getdeclaredconstructor (class<?> ... parametertypes)

tamping Java Basic Two--reflection (3): Class internal information acquisition