overload.java

主要介绍了JAVA的基本知识和异常处理的知识

import java.applet.Applet;
import java.awt.*;
import java.util.*;

public class Overload extends Applet
{
  Over over1 ;
  public void init()
  {    
   over1 =new Over();   
  }
  public void paint(Graphics g)
  {     
    g.drawString("over1.add(20,30)      " + over1.add(20,30),20,40);    
    g.drawString("over1.add(20,30,40)    " + over1.add(20,30,40),20,60);
    g.drawString("over1.add(20,30,40,50)    " + over1.add(20,30,40,50),20,80);   
  }}
class Over 
{
    public  int add(int x,int y)
    {  return(x+y);  }
   public  int add(int x,int y,int z)
    {  return(x+y+z);  }
   public  int add(int x,int y,int z,int f)
    {  return(x+y+z+f);  }
}