what is the point of heterogenous arrays?

Question

I know that more-dynamic-than-Java languages, like Python and Ruby, often allow you to place objects of mixed types in arrays, like so:

[\"hello\", 120, [\"w         


        

Answer 1

Here is a simple answer:

N.B. I am not talking about arrays that include different objects that all implement the same interface or inherit from the same parent, e.g.:

Everything extends java.lang.Object... and that's plenty. There is no reason not to have Object[] and put anything you like in. Object[] are exceptionally useful in any middleware like persistence layer.