Suppose a linked-list class with a generic E type has been constructed with a java.awt.Component type variable. Consider its instance method locate with the following header: public void locate(MyLinkedList<? extends E>) { . . . }
Which type cannot be passed to method locate?
I MyLinkedList<JButton>
II MyLinkedList<Component>
III MyLinkedList<JTextField>

Question

Quizplus · Accepted Answer

The method locate accepts a MyLinkedList of any type that is a subtype of E. Since JButton, Component, and JTextField are all subtypes of Component, all can be passed to the method.

Suppose a Linked-List Class with a Generic E Type Has