app8_16.java

JAVA 2面向对象程序设计(随书范例程序)7-9.rar.rar

// app8_16, 类的复习
class Caaa
{
   int num;
   void set_num(int n){
      num=n;
      System.out.println("num= "+ num); 
   }
}

public class app8_16
{
   public static void main(String args[])
   {  
      Caaa aa= new Caaa();
      aa.set_num(5);
   }
}