56 lines
1.5 KiB
Java
56 lines
1.5 KiB
Java
// arrays/FillingArrays.java
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// (c)2017 MindView LLC: see Copyright.txt
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// We make no guarantees that this code is fit for any purpose.
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// Visit http://OnJava8.com for more book information.
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// Using Arrays.fill()
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import java.util.*;
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import static onjava.ArrayShow.*;
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public class FillingArrays {
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public static void main(String[] args) {
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int size = 6;
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boolean[] a1 = new boolean[size];
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byte[] a2 = new byte[size];
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char[] a3 = new char[size];
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short[] a4 = new short[size];
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int[] a5 = new int[size];
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long[] a6 = new long[size];
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float[] a7 = new float[size];
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double[] a8 = new double[size];
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String[] a9 = new String[size];
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Arrays.fill(a1, true);
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show("a1", a1);
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Arrays.fill(a2, (byte)11);
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show("a2", a2);
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Arrays.fill(a3, 'x');
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show("a3", a3);
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Arrays.fill(a4, (short)17);
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show("a4", a4);
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Arrays.fill(a5, 19);
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show("a5", a5);
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Arrays.fill(a6, 23);
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show("a6", a6);
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Arrays.fill(a7, 29);
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show("a7", a7);
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Arrays.fill(a8, 47);
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show("a8", a8);
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Arrays.fill(a9, "Hello");
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show("a9", a9);
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// Manipulating ranges:
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Arrays.fill(a9, 3, 5, "World");
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show("a9", a9);
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}
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}
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/* Output:
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a1: [true, true, true, true, true, true]
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a2: [11, 11, 11, 11, 11, 11]
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a3: [x, x, x, x, x, x]
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a4: [17, 17, 17, 17, 17, 17]
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a5: [19, 19, 19, 19, 19, 19]
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a6: [23, 23, 23, 23, 23, 23]
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a7: [29.0, 29.0, 29.0, 29.0, 29.0, 29.0]
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a8: [47.0, 47.0, 47.0, 47.0, 47.0, 47.0]
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a9: [Hello, Hello, Hello, Hello, Hello, Hello]
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a9: [Hello, Hello, Hello, World, World, Hello]
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*/
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