Get the class of java.util.Arrays$ArrayList

Question

How can I know the instance of java.util.Arrays$ArrayList. I\'ve tried this code snippet but it does not work at all :

if (myList instanceof Arrays)         


        

Answer 1

in case the list comes from Arrays#asList, the returned ArrayList is NOT java.util.ArrayList, therefore a comparison to this class will always fail.

The question is, why do you need to know that it is exactly this implementation ? Maybe it is enough to check for java.util.List ?

In general it is questionable why you need the instanceof operator at all, often there are other design solutions better.