classb.java

This book code procedure according to the chapter arrangement, the 1st chapter of example under "1"

//类文件名：ClassB.java
package com.e5.pk2;
public class ClassB{
   private String name="java.e5.pk2.ClassB";
   public void print(String s){
      System.out.println(s);
   }
   public String name(){
     return name;
   }
   protected void hello(){
     print("hello!, My name is"+name);
   }
}