// housekeeping/ArrayNew.java
// ©2016 MindView LLC: see Copyright.txt
// 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]
*/