JAVA

java 2d array length

  int[][] test; 
  test = new int[5][10];

  int row = test.length;
  int col = test[0].length;

2d array length in java

public static void main(String[] args) {

    int[][] foo = new int[][] {
        new int[] { 1, 2, 3 },
        new int[] { 1, 2, 3, 4},
    };

    System.out.println(foo.length); //2 // gives count of rows
    System.out.println(foo[0].length); //3 // gives count of columns for particular row
    System.out.println(foo[1].length); //4
}

how to get length of 2d array java

int[][] array2D = { {1,2,3,4,5,6}, {7,8,9,10} };
int length = array2d[0].length + array2d[1].length; // 10