If You Have Multiple Classes in Your Program That Have

question 38

Multiple Choice

If you have multiple classes in your program that have implemented the same interface in different ways, how is the correct method executed?

• A)The method must be qualified with the class name to determine the correct method.
• B)The Java virtual machine must locate the correct method by looking at the class of the actual object.
• C)You cannot have multiple classes in the same program with different implementations of the same interface.
• D)The compiler must determine which method implementation to use.

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Definitions:

Monetary Unit Assumption

Accounting information should be measured and reported in the national monetary unit without any adjustments for changes in purchasing power.

National Monetary Unit

The primary currency of a country, used as a medium of exchange and basis for trade.

Purchasing Power

The value of currency expressed in terms of the amount of goods or services that one unit of money can buy.

Transaction

An exchange between a business and one or more external parties to a business or a measurable internal event such as the use of assets in operations.