Getting the array length of a 2D array in Java

To get the length of a 2D array in Java, you can use the length field of the array. For example:

int[][] array = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}};
int rows = array.length; // gets the number of rows (3 in this case)
int columns = array[0].length; // gets the number of columns (3 in this case)

Note that the length field returns the length of the array along its first dimension. To get the length of the array along its second dimension, you can access the length field of one of the inner arrays.

I hope this helps! Let me know if you have any other questions.