Java String array: is there a size of method?

Question

I come from a php background and in php, there is an array_size() function which tells you how many elements in the array are used.

Is there a similar

Answer 1

If you want a function to do this

Object array = new String[10];
int size = Array.getlength(array);

This can be useful if you don't know what type of array you have e.g. int[], byte[] or Object[].