overloaddemo.java

来自「这是《Java 2 简明教程(第2版)》一书配套的源代码。」· Java 代码 · 共 49 行

import java.awt.Graphics;
import java.applet.Applet;

class IntSort
{
   public String sort(int a,int b)
  {
     if(a>b)
       return a+" "+b;
     else
       return b+" "+a;
  }

  public String sort(int a,int b,int c)
  {
    int swap;
    if(a<b)
    {
      swap=a;
      a=b;
      b=swap;
    }
    if(a<c)
   {
     swap=a;
     a=c;
     c=swap;
    }
   if(b<c)
   {
    swap=b;
    b=c;
    c=swap;
   }
   return a+" "+b+" "+c;
   }
}
 
public class OverloadDemo extends Applet
{
  IntSort s=new IntSort();
  public void paint(Graphics g)
  {
    int a=123,b=45,c=87;
    g.drawString("两个数的排序结果是："+s.sort(a,b),30,30);
    g.drawString("三个数的排序结果是："+s.sort(a,b,c),30,60);
  }
}