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long startTime=System.currentTimeMillis();   //»ñÈ¡¿ªÊ¼Ê±¼ä  
doSomeThing(); //²âÊԵĴúÂë¶Î  
long endTime=System.currentTimeMillis(); //»ñÈ¡½áÊøÊ±¼ä  
System.out.println("³ÌÐòÔËÐÐʱ¼ä£º "+(endTime-startTime)+"ms");  
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long startTime=System.nanoTime();   //»ñÈ¡¿ªÊ¼Ê±¼ä  
doSomeThing(); //²âÊԵĴúÂë¶Î  
long endTime=System.nanoTime(); //»ñÈ¡½áÊøÊ±¼ä  
System.out.println("³ÌÐòÔËÐÐʱ¼ä£º "+(endTime-startTime)+"ns");  
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clock_t start,end;
start=clock();
end=clock();
cout<<"time used: "<<end-start<<"ms"<<endl;


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public class Me {
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default-character-set=utf8
[client]
default-character-set=utf8
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