Listing 2: Processing an array of wrapper objects
import java.util.*; public class Wrappers { public static void main(String[] args) { Date start = new Date(); final int N = 250000; Integer[] a = new Integer[N]; for (int i = 0; i < N; ++i) a[i] = new Integer(i); int sum = a[0].intValue(); for (int i = 1; i < N; ++i) sum += a[i].intValue(); Date stop = new Date(); System.out.println(stop.getTime() - start.getTime()); // 1710 } } - End of Listing -