Warning: The type parameter E is hiding the type E when using an inner class

Question

I was writing a stack, one with a static Node and other non-static.

public class Stack implements Iterable
{
    private int N;
    private         


        

Answer 1

It's warning you that you are using the generic argument name E in a scope when it already is defined. Changing the generic argument name for Node would be one way to resolve the warning:

public class Stack implements Iterable
{
    private int N;
    private Node first;

    private class Node
    {
        private T item;
        private Node next;
    }
}

But since E is already exists, you should just use that; Node is already generic due to being defined within a generic type (Stack