CMIS 141, 7981 Introductory Programming Homework 3 – HeadPhone Java Class
University of Maryland University College Introductory Programming CMIS 141, 7981 Homework 3 – HeadPhone Java Class Student: Professor: Rebecca Rowson 17 April 2017 2 1 Assignment CMIS 141 Homework 3 1.1 Before attempting this project, be sure you have completed all of the reading assignments, hands-on labs, discussions, and assignments to date. 1.2 Create a Java class named HeadPhone to represent a headphone set. The class contains: • Three constants named LOW, MEDIUM and HIGH with values of 1, 2 and 3 to denote the headphone volume. • A private int data field named volume that specifies the volume of the headphone. The default volume is MEDIUM. • A private boolean data field named pluggedIn that specifies if the headphone is plugged in. The default value is false. • A private String data field named manufacturer that specifies the name of the manufacturer of the headphones. • A private Color data field named headPhoneColor that specifies the color of the headphones. • A private String data field named headPhoneModel that specifies the Model of the headphones. • getter and setter methods for all data fields. • A no argument constructor that creates a default headphone. • A method named toString() that returns a string describing the current field values of the headphones. • A method named changeVolume(value) that changes the volume of the headphone to the value passed into the method 1.3 Create a TestHeadPhone class that constructs at least 3 HeadPhone objects. For each of the objects constructed, demonstrate the use of each of the methods. Be sure to use your IDE to accomplish this assignment.
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