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public class Test {
static int multiply(int n){
if(n==1||n==0)
return n;
else
return n*multiply(n-1);
}
public static void main(String[] args){
System.out.println(multiply(10));
}
}
ÉÏÃæµÄmultiplyÊÇÒ»¸ö½×³ËµÄÀý×Ó¡£ÆäʵµÝ¹éµÝ¹é£¬´Ó×ÖÃæÉϽâÊ;ÍÊÇÔÚ·½·¨±¾Éíµ÷ÓÃ×Ô¼ºµÄ·½·¨£¬»òÕß¼ä½Óµ÷Ó㻿´ÉÏÃæµÄ³ÌÐò£¬ÄÃmultiply(5)À´Ëµ£º
n=5;Ö´ÐÐ 5*multiply(4);
--------------------
Õâʱºò¿´multiply(4)
n=4 Ö´ÐÐ 4*multiply(3);
-------------------
¿´multiply(3)
n=3,Ö´ÐÐ 3*multiply(2);
---------------
mulitply(2);
n=2 Ö´ÐÐ 2*mulitply(1);
Õâʱºò£¬return 1;ÍùÉÏ·µ»Ø
2*1ÏòÉÏ·µ»Ø
3*(2*1)ÏòÉÏ·µ»Ø
4*£¨3*£¨2*1£©£© ÏòÉÏ·µ»Ø
5*£¨4*£¨3*£¨2*1£©£© £© = 120
ËùÒÔ³ÌÐòÊä³ö120;
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/************Student.java begin***************/
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
public class Student {
private String name;
private String password;
public String getName() {
return name;
}
public ......
ת×Ô£º http://www.j2medev.com/Article/ShowArticle.asp?ArticleID=4465
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/**
* @(#)MyTray.java
*
*
* @author Xie Xiaojin
* @version 1.00 2009/11/9
*/
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class MyTray implements ActionListener {
private MenuItem item1;
private MenuItem item2;
private MenuItem item3;
private ......