import java.util.Date;public class TestArrayCopy {	public static void main(String[] args) {				Date d1 = new Date();		int[] arr = new int[10000000];		for(int i = 0; i < 10000000; i++) {			arr[i] = i;		}		Date d2 = new Date();				System.out.println(d2.getTime() - d1.getTime());						int[] arr2 = new int[10000000];		Date d3 = new Date();		System.arraycopy(arr,0, arr2, 0, 10000000);		Date d4 = new Date();		System.out.println(d4.getTime() - d3.getTime());		}}