package test001;
public class test01 {
public static void main(String[] args) throws InterruptedException {
for(int i=0;i<20;i++){
test();
}
}
private static void test() throws InterruptedException{
long nano=System.nanoTime();
long millis=System.currentTimeMillis();
Thread.sleep(2);
System.out.println((double)(System.nanoTime()-nano)/1000000);
System.out.println((System.currentTimeMillis()-millis));
System.out.println("----------------------------------");
}
}