java length of matrix

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Sohan
12 Sep 2018
1public static void main(String[] args) {
2
3    int[][] foo = new int[][] {
4        new int[] { 1, 2, 3 },
5        new int[] { 1, 2, 3, 4},
6    };
7
8    System.out.println(foo.length); //2
9    System.out.println(foo[0].length); //3
10    System.out.println(foo[1].length); //4
11}
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