OnJava8-Examples/arrays/RaggedArray.java
2015-11-03 12:00:44 -08:00

22 lines
621 B
Java

// arrays/RaggedArray.java
import java.util.*;
public class RaggedArray {
public static void main(String[] args) {
Random rand = new Random(47);
// 3-D array with varied-length vectors:
int[][][] a = new int[rand.nextInt(7)][][];
for(int i = 0; i < a.length; i++) {
a[i] = new int[rand.nextInt(5)][];
for(int j = 0; j < a[i].length; j++)
a[i][j] = new int[rand.nextInt(5)];
}
System.out.println(Arrays.deepToString(a));
}
}
/* Output:
[[], [[0], [0], [0, 0, 0, 0]], [[], [0, 0], [0, 0]], [[0,
0, 0], [0], [0, 0, 0, 0]], [[0, 0, 0], [0, 0, 0], [0], []],
[[0], [], [0]]]
*/