JAVA问题总结之14-程序运行时间的测量

JAVA问题总结之14-程序运行时间得测量

代码:

package java2;

public class test6 {
	public static void main(String[] args){
		long start=System.currentTimeMillis();
		for (int i=1;i<=100000;i++){
			System.out.println(i);			
		}
		long time=System.currentTimeMillis()-start;
		double stime=(double) time / 1000;
		System.out.println("time is "+stime+"s");
		
	}
}

结果:

......//省略n个
99998
99999
100000
time is 2.583s



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