A detailed description of how class objects are obtained through class in Java

Way 1: Through the GetObject () method of the object class

 person p = new   person (); Class c  = P.getclass (); 

Mode 2: Gets a byte-code file object from the class name. Class (Any data type has a class static property that looks simpler than the first).

 Class c2 = Person. Class ; 

Mode 3: Pass a method in class (Forname a class literal to a static method in a class class)

 Class C3 = Class.forName ("person"); 

note : The difference between the third and the first two

The first two types of

You must specify the person type.

The

is followed by a string that specifies this type. This . I don't need to know the class name. I only provide strings, which can be loaded according to the configuration file

 

Reference: https://www.jb51.net/article/122246.htm

 

A way to get a class object in Java using the class class