// housekeeping/ArrayNew.java // (c)2017 MindView LLC: see Copyright.txt // We make no guarantees that this code is fit for any purpose. // Visit http://OnJava8.com for more book information. // Creating arrays with new import java.util.*; public class ArrayNew { public static void main(String[] args) { int[] a; Random rand = new Random(47); a = new int[rand.nextInt(20)]; System.out.println("length of a = " + a.length); System.out.println(Arrays.toString(a)); } } /* Output: length of a = 18 [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] */