Java Key Technologies (6) Class of reflection

1.1. class

Class is a Java class that describes a class of Java classes.

There are at least three ways to get a class of Class object instance.

(1) through Class.forName () method.

(2) through static members of a class class variable.

(3) through the object's getclass () method.

NULL ; Try {  = (class<reflectiontest>) class.forname ("Com.test.javatechnology.reflection.ReflectionTest"  catch  (ClassNotFoundException e) {e.printstacktrace ();} System.out.println (CLAZZ1); System.out.println (void. class ); SYSTEM.OUT.PRINTLN (int. class ); System.out.println ("AAA". GetClass ());

Operation Result:

Class Com.test.javatechnology.reflection.ReflectionTest

void

Int

Class Java.lang.String

Class of common type :

System.out.println (Object.  Class); SYSTEM.OUT.PRINTLN (int[]. class ); System.out.println (string[]. class ); System.out.println (ArrayList. class);

Operation Result:

Class Java.lang.Object

class [I

class [Ljava.lang.String;

Class Java.util.ArrayList

Java Key Technologies (6) Class of reflection