Which statement is true about a mutator method?

The correct answer is B. It returns mutated instance members. A mutator method typically changes the state of an instance variable (e.g., a setter method) rather than returning the mutated instance members. Option D 'It can be used to assign data to instance members.' is a more accurate description of a mutator's purpose. The provided…

Working with Methods and Encapsulation

Question

Which statement is true about a mutator method?

Options

AIt replaces the default constructor.
BIt returns mutated instance members.
CIt must be declared private.
DIt can be used to assign data to instance members.

How the community answered

(35 responses)

A
14% (5)
B
77% (27)
C
3% (1)
D
6% (2)

Explanation

A mutator method typically changes the state of an instance variable (e.g., a setter method) rather than returning the mutated instance members. Option D 'It can be used to assign data to instance members.' is a more accurate description of a mutator's purpose. The provided answer B describes a common misconception or a less direct effect.

Topics

#mutator methods#setter methods#encapsulation#instance members

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