import java.util.Calendar;

public class ArrayCopy {

    public static void main(String[] args) {

        test();

    }

   public static void test(){

       Calendar instance = Calendar.getInstance();

       long s1=System.currentTimeMillis();

       for (int i = 0; i < 99999; i++) {

           System.out.println(i);

       }

       long s2=System.currentTimeMillis();

       System.out.println(s2-s1+"毫秒");

   }

}