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(a) Define an interface called This interface should ProductRegisterListener. include a void type function called register that accepts a String parameter. (b) Create an abstract class called Software. Include a String attribute called name and a double attribute called version. Ensure it can be accessed within the class hierarchy. Include a constructor to initialize all the attributes. Create an abstract method named about. (c) Create a child class called LicensedSoftware that inherits from the Software and Product RegistertListener. The class should include a private member called price as double type. Ensure that this class cannot be sub-classed. Include a constructor to initialize the data members appropriately. Override the about method to print out all the software details. Override the register method to pass the email address as the parameter and it will print out the following sample output: The software "name" registration details have been sent out to your user@xxx.com account.

(a) Define an interface called This interface should ProductRegisterListener. include a void type function called register that accepts a String parameter. (b) Create an abstract class called Software. Include a String attribute called name and a double attribute called version. Ensure it can be accessed within the class hierarchy. Include a constructor to initialize all the attributes. Create an abstract method named about. (c) Create a child class called LicensedSoftware that inherits from the Software and Product RegistertListener. The class should include a private member called price as double type. Ensure that this class cannot be sub-classed. Include a constructor to initialize the data members appropriately. Override the about method to print out all the software details. Override the register method to pass the email address as the parameter and it will print out the following sample output: The software "name" registration details have been sent out to your user@xxx.com account.

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Question 4 (a) Define an interface called Product RegisterListener. This interface should include a void type function called register that accepts a String parameter. (b) (c) Create an abstract class called Software. Include a String attribute called name and a double attribute called version. Ensure it can be accessed within the class hierarchy. Include a constructor to initialize all the attributes. Create an abstract method named about. Create a child class called LicensedSoftware that inherits from the Software and ProductRegistertListener. The class should include a private member called price as double type. Ensure that this class cannot be sub-classed. Include a constructor to initialize the data members appropriately. Override the about method to print out all the software details. Override the register method to pass the email address as the parameter and it will print out the following sample output: The software “name” registration details have been sent out to your user@xxx.com account.
Transcribed Image Text:Question 4 (a) Define an interface called Product RegisterListener. This interface should include a void type function called register that accepts a String parameter. (b) (c) Create an abstract class called Software. Include a String attribute called name and a double attribute called version. Ensure it can be accessed within the class hierarchy. Include a constructor to initialize all the attributes. Create an abstract method named about. Create a child class called LicensedSoftware that inherits from the Software and ProductRegistertListener. The class should include a private member called price as double type. Ensure that this class cannot be sub-classed. Include a constructor to initialize the data members appropriately. Override the about method to print out all the software details. Override the register method to pass the email address as the parameter and it will print out the following sample output: The software “name” registration details have been sent out to your user@xxx.com account.
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