,

 package chapter7. 

import java.io.IOException; 
Import the Java. IO. InputStream; 

/* * 
* the description P280 listing 7-8 
* 
* @ author when 
* @ the date 2020-12-02 20:51 
* */
Public class ClassLoaderTest {
Public static void main (String [] args) throws ClassNotFoundException, IllegalAccessException, InstantiationException {
This myLoader=new this () {
@ Override 
Public Class<?> LoadClass (String name) throws ClassNotFoundException {
System. The out. Println (" MINE "); 
The String fileName=name. The substring (name. LastIndexOf (". ") + 1) + ". Calss "; 
InputStream is=getClass (). GetResourceAsStream (fileName); 
If (is==null) {
Return super. LoadClass (name); 
} 
Try {
Byte [] b=new byte [is available ()]; 
Is. Read (b); 
Return defineClass (name, b, 0, b.l ength); 
} the catch (IOException e) {
Throw new ClassNotFoundException (name); 
} 
} 
}; 

The Object obj=myLoader. LoadClass (" chapter7. ClassLoaderTest "). NewInstance (); 
System. The out. Println (obj. GetClass ()); 
System. The out. Println (obj instanceof chapter7. ClassLoaderTest); 
} 
} 

"Deep understanding of the Java virtual machine" in the third edition of P 281 listing 7-8 in addition to the package name, other all

The book says, the last line of output: false
But I use the output is: true

Excuse me why?