Java generics and array initialization

Question

What\'s the explanation for the following:

public class GenericsTest {
    //statement 1
    public ArrayList[] lists;

    public GenericsTes         


        

Answer 1

So the actual question is: Why is there no error for declaring a generic array? ?

You will always get an error at the point you do something erroneous. Adding an error where there isn't technically a problem just adds to a clutter (although an editor might want to point that out to you).

In some circumstances you may want to bend the rules a bit with an unchecked cast. There's no need to force the code to be littered with more warning suppressions than necessary (other than to point out the folly).