hi,I am green head for javassist
I read the tutorial,but my pool.insertClassPath(String) not work
why?

package test;
import javassist.ClassClassPath;
import javassist.ClassPool;
import javassist.CtClass;
import javassist.CtField;

/*
 * Created on 2005-6-2
 */

/**
 * @author Niko
 */
public class Test {
 public Test(){

 }
 public static void main(String[] args)throws Exception {
 ClassPool pool = ClassPool.getDefault();
 System.out.println(Test.class.getResource("").getPath());
 //pool.insertClassPath(Test.class.getResource("").getPath());
 pool.insertClassPath("D:/Eclipse/workspace/test/bin/test/");
 CtClass cc = pool.makeClass("Rectangle");
 cc.addField(new CtField(CtClass.intType, "userOld", cc));
 cc.writeFile();
 }
}

then I think the Rectangle.class file should in dir "D:/Eclipse/workspace/test/bin/test/" or "D:/Eclipse/workspace/test/bin/",but I find in dir "D:/Eclipse/workspace/test/" ?and

D:\ECLIPSE\WORKSPACE\TEST
? .classpath
? .project
? Rectangle.class
?
??bin
? ??test
? Test.class
?
??src
 ??test
 Test.java

why?
thx