What’s the difference between Java array length vs length ()? When you put round brackets at the end of a word in Java, it indicates that you are calling a method. Without round brackets, you are ...

Leverage the NDArray from Deep Java Library (DJL) to write your NumPy code in Java and apply NDArray into a real-world application.

This points to a fundamental difference in the way that associative arrays are implemented in the two scripting languages. In Perl, every other array element is actually the index value.

I tend to use Java Collections far more than I use Java arrays. However, when I do need to work with arrays, it is nice to have the many useful features of the java.util.Arrays class.