You Intend to Use a Hash Set with Your Own

question 15

Multiple Choice

You intend to use a hash set with your own object class. Which of the following statements is NOT correct?

• A) You do not have to do anything additional. You can use the hashCode function of the Object class.
• B) You can create your own function to compute a hashCode value.
• C) You can override the hashCode method in the Object class to provide your own hashCode method.
• D) Your class's hashCode method does not need to be compatible with its equals method.

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Definitions:

Great Lakes

A group of five large, interconnected freshwater lakes on the border between the United States and Canada, comprising Lakes Superior, Michigan, Huron, Erie, and Ontario.

McCulloch V. Maryland

A landmark Supreme Court case in 1819 that established the principle of national supremacy and the constitutionality of a federal bank.

Necessary And Proper Clause

A provision in the U.S. Constitution granting Congress the power to pass all laws necessary and proper for carrying out its enumerated powers.

Constitution

The fundamental law or set of principles by which a state or organization is governed, outlining the structure of government and the rights of the citizens.