Understanding Mutator Methods in Programming

What is the primary purpose of a mutator method?

• To change the value of an instance variable

• To create a new object

• To delete an object

• To read the value of an instance variable

Which keyword is used to begin the method signature of a mutator method?

• private

• protected

• public

• static

What should be the return type of a mutator method that only performs an action?

• boolean

• int

• String

• void

In the method signature, what follows the return type?

• The method name

• The class name

• The instance variable

• The parameter type

How do you change the case color of a cell phone object to green using a mutator method?

• myCellPhone.modifyCaseColor('green')

• myCellPhone.changeCaseColor('green')

• myCellPhone.setCaseColor('green')

• myCellPhone.updateCaseColor('green')