If You Want a Class That Implements the Map Interface

question 28

Multiple Choice

If you want a class that implements the Map interface and do not need any methods beyond those in the Map interface,you can use the ____________ class.

• A)Vector< T >
• B)AbstractMap< K,V >
• C)HashMap< K,V >
• D)HashSet< T >

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Definitions:

Ethnic Groups

Categories of people who identify with each other based on common ancestral, social, cultural, or national experiences.

Independent Variable

In an experiment, the variable that is added by the researcher to see if it affects the dependent variable.

Experiment

A scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact.

Researcher

An individual who conducts detailed and systematic investigation into a subject area with the purpose of discovering or establishing new knowledge.