app9_13.java

JAVA 2面向对象程序设计(随书范例程序)7-9.rar.rar

// app9_13, Object类里的toString() method
class Caaa
{
   private int num;
   
   public Caaa(int n){
      num=n;
   }  
}   

public class app9_13
{
   public static void main(String args[]){
      Caaa a=new Caaa(2);

      System.out.println(a.toString());      
   }
}