Question 2 Create a class named Phone. The class contains the following instance variables, constructors, and methods. • A String instance variable m brand. • An integer instance variable m productionYear. • An integer instance variable m volume. • A no-arg constructor that sets the three instance variables to the following default values: •m brand is set to "Apple" *m_productionYear is set to 2021 • m volume is set to 50 - A constructor that takes three parameters and sets the instance variables accordingly. • A getter and a setter methods for each instance variable. • A void method increaseVolume () that takes no parameter and increases m volume by 1. • A void method decreaseVolume () that takes no parameter and decreases m volume by 1. • Build a test driver by creating a class TestPhone to test the functionality of the class Phone.

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