25 lines
801 B
Java
25 lines
801 B
Java
// arrays/RaggedArray.java
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// (c)2016 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://mindviewinc.com/Books/OnJava/ for more book information.
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import java.util.*;
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public class RaggedArray {
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public static void main(String[] args) {
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Random rand = new Random(47);
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// 3-D array with varied-length vectors:
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int[][][] a = new int[rand.nextInt(7)][][];
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for(int i = 0; i < a.length; i++) {
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a[i] = new int[rand.nextInt(5)][];
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for(int j = 0; j < a[i].length; j++)
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a[i][j] = new int[rand.nextInt(5)];
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}
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System.out.println(Arrays.deepToString(a));
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}
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}
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/* Output:
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[[], [[0], [0], [0, 0, 0, 0]], [[], [0, 0], [0, 0]], [[0,
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0, 0], [0], [0, 0, 0, 0]], [[0, 0, 0], [0, 0, 0], [0], []],
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[[0], [], [0]]]
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*/
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