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package lavasoft.anntest; 
import java.lang.annotation.ElementType; 
import java.lang.annotation.Retention; 
import java.lang.annotation.RetentionPolicy; 
import java.lang.annotation.Target; 
/** 
* Àà×¢½â 

* @author leizhimin 2009-12-18 14:15:46 
*/ 
@Retention(RetentionPolicy.RUNTIME) 
@Target(ElementType.TYPE) 
public @interface MyAnnotation4Class { 
        public String msg(); 
}
 
package lavasoft.anntest; 
import java.lang.annotation.ElementType; 
import java.lang.annotation.Retention; 
import java.lang.annotation.RetentionPolicy; 
import java.lang.annotation.Target; 
/** 
* ·½·¨×¢½â 

* @author leizhimin 2009-12-18 14:16:05 
*/ 
@Retention(RetentionPolicy.RUNTIME) 
@Target(ElementType.METHOD) 
public @interface MyAnnotation4Method { 
        public String msg1(); 
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package fileTest;
import java.io.*;
public class FileOperate {
   public FileOperate() {
   }
  
   public static void main(String args[]){
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