//: c11:FillingArrays.java // Using Arrays.fill() // From 'Thinking in Java, 3rd ed.' (c) Bruce Eckel 2002 // www.BruceEckel.com. See copyright notice in CopyRight.txt. import com.bruceeckel.simpletest.*; import com.bruceeckel.util.*; import java.util.*; public class FillingArrays { private static Test monitor = new Test(); public static void main(String[] args) { int size = 6; // Or get the size from the command line: if(args.length != 0) size = Integer.parseInt(args[0]); boolean[] a1 = new boolean[size]; byte[] a2 = new byte[size]; char[] a3 = new char[size]; short[] a4 = new short[size]; int[] a5 = new int[size]; long[] a6 = new long[size]; float[] a7 = new float[size]; double[] a8 = new double[size]; String[] a9 = new String[size]; Arrays.fill(a1, true); System.out.println("a1 = " + Arrays2.toString(a1)); Arrays.fill(a2, (byte)11); System.out.println("a2 = " + Arrays2.toString(a2)); Arrays.fill(a3, 'x'); System.out.println("a3 = " + Arrays2.toString(a3)); Arrays.fill(a4, (short)17); System.out.println("a4 = " + Arrays2.toString(a4)); Arrays.fill(a5, 19); System.out.println("a5 = " + Arrays2.toString(a5)); Arrays.fill(a6, 23); System.out.println("a6 = " + Arrays2.toString(a6)); Arrays.fill(a7, 29); System.out.println("a7 = " + Arrays2.toString(a7)); Arrays.fill(a8, 47); System.out.println("a8 = " + Arrays2.toString(a8)); Arrays.fill(a9, "Hello"); System.out.println("a9 = " + Arrays.asList(a9)); // Manipulating ranges: Arrays.fill(a9, 3, 5, "World"); System.out.println("a9 = " + Arrays.asList(a9)); monitor.expect(new String[] { "a1 = [true, true, true, true, true, true]", "a2 = [11, 11, 11, 11, 11, 11]", "a3 = [x, x, x, x, x, x]", "a4 = [17, 17, 17, 17, 17, 17]", "a5 = [19, 19, 19, 19, 19, 19]", "a6 = [23, 23, 23, 23, 23, 23]", "a7 = [29.0, 29.0, 29.0, 29.0, 29.0, 29.0]", "a8 = [47.0, 47.0, 47.0, 47.0, 47.0, 47.0]", "a9 = [Hello, Hello, Hello, Hello, Hello, Hello]", "a9 = [Hello, Hello, Hello, World, World, Hello]" }); } } ///:~