Multidimensional Arrays lengths in Java

Question

How to find the lengths of a multidimensional array with non equal indices?

For example, I have int[][] pathList = new int[6][4]

Without actuall

Answer 1

3-D array length

int[][][] a = new int[2][3][7];
int length=0;
for(int[][] i:a){
    for(int j[]:i){
        length+=j.length;
    }   
}           
System.out.println(length);