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

question 30

Multiple Choice

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>

• A) I
• B) I and II
• C) II and III
• D) all can be passed to locate

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Definitions:

Standard Materials Price

The pre-determined cost assigned to materials used in production, for budgeting and variance analysis purposes.

Direct Materials

Direct materials are raw materials that are directly traceable to the manufacturing of a product and are a component of the total manufacturing cost.

Fixed Overhead Rate

A predetermined rate used to allocate fixed overhead costs to cost objects, calculated at the beginning of a period based on estimated costs and activity levels.

Fixed Factory Overhead Volume Variance

The difference between the budgeted and actual fixed overhead costs attributed to variations in production volume.