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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);   
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mulitply(2);   
n=2 Ö´ÐÐ 2*mulitply(1);   
Õâʱºò£¬return 1;ÍùÉÏ·µ»Ø   
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3*(2*1)ÏòÉÏ·µ»Ø   
4*£¨3*£¨2*1£©£© ÏòÉÏ·µ»Ø   
5*£¨4*£¨3*£¨2*1£©£© £© = 120   
ËùÒÔ³ÌÐòÊä³ö120;   
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