// arrays/ModifyExisting.java // (c)2016 MindView LLC: see Copyright.txt // We make no guarantees that this code is fit for any purpose. // Visit http://mindviewinc.com/Books/OnJava/ for more book information. import java.util.*; import onjava.*; import static onjava.ArrayShow.*; public class ModifyExisting { public static void main(String[] args) { double[] da = new double[7]; Arrays.setAll(da, new Rand.Double()::get); show(da); Arrays.setAll(da, n -> da[n] / 100); // (1) show(da); } } /* Output: [0.73, 0.53, 0.16, 0.19, 0.52, 0.27, 0.26] [0.0073, 0.0053, 0.0016, 0.0019, 0.0052, 0.0027, 0.0026] */