39 lines
1.1 KiB
Java
39 lines
1.1 KiB
Java
// arrays/MultiDimWrapperArray.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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// Multidimensional arrays of "wrapper" objects
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import java.util.*;
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public class MultiDimWrapperArray {
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public static void main(String[] args) {
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Integer[][] a1 = { // Autoboxing
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{ 1, 2, 3, },
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{ 4, 5, 6, },
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};
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Double[][][] a2 = { // Autoboxing
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{ { 1.1, 2.2 }, { 3.3, 4.4 } },
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{ { 5.5, 6.6 }, { 7.7, 8.8 } },
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{ { 9.9, 1.2 }, { 2.3, 3.4 } },
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};
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String[][] a3 = {
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{ "The", "Quick", "Sly", "Fox" },
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{ "Jumped", "Over" },
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{ "The", "Lazy", "Brown", "Dog", "&", "friend" },
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};
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System.out.println(
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"a1: " + Arrays.deepToString(a1));
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System.out.println(
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"a2: " + Arrays.deepToString(a2));
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System.out.println(
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"a3: " + Arrays.deepToString(a3));
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}
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}
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/* Output:
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a1: [[1, 2, 3], [4, 5, 6]]
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a2: [[[1.1, 2.2], [3.3, 4.4]], [[5.5, 6.6], [7.7,
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8.8]], [[9.9, 1.2], [2.3, 3.4]]]
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a3: [[The, Quick, Sly, Fox], [Jumped, Over], [The,
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Lazy, Brown, Dog, &, friend]]
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*/
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