What Is Known for Certain About a Type Parameter When

question 8

Multiple Choice

What is known for certain about a type parameter when a method constrains it as follows? <E extends MouseListener & MouseMotionListener>

• A) it is either a MouseListener or MouseMotionListener implementer
• B) it implements MouseListener and MouseMotionListener
• C) it is of type MouseEvent
• D) the code is illegal; the & symbol should read and

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Definitions:

Depreciation Expense

The allocated cost of using a fixed asset over its useful life, reflecting its decrease in value over time.

Straight-line Method

A method for calculating depreciation of an asset, which assumes the asset will lose an equal amount of value each year over its useful life.

Depreciation Expense

The allocation of the cost of an asset over its useful life, reflecting the decrease in value of the asset over time due to usage, wear and tear, or obsolescence.

Telephone System

A communication network designed for the purpose of transmitting voice over distances.