How to get 2D subarray from 2D array in JAVA?

2d, arrays, java

Solution

Here you are

    int[][] temp = { { 1, 2, 3, 4 }, { 5, 6, 7, 8 }, { 9, 10, 11, 12 } };
    int[][] a = new int[temp.length][];
    for (int i = 0; i < temp.length; i++) {
        a[i] = Arrays.copyOfRange(temp[i], 1, 3);
    }
    System.out.println(Arrays.deepToString(a));

output

[[2, 3], [6, 7], [10, 11]]

answering your question in comment if we want to access only [[6, 7], [10, 11]]

    int[][] a = new int[2][];
    for (int i = 1, j = 0; i < 3; i++, j++) {
        a[j] = Arrays.copyOfRange(temp[i], 1, 3);
    }

output

[[6, 7], [10, 11]]

Problem

Suppose I have 2D array as follow: ``` int[][] temp={ {1,2,3,4}, {5,6,7,8}, {9,10,11,12}}; ``` and i want to get sub-array start from X direction 1 to 2 and Y direction 1 to 2 i.e. ``` {6,7} {10,11} ``` can anyone give me solution for above problem.

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