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(CarbonFootprint Interface: Polymorphism) Using interfaces, as you learned in this chapter, you can specify similar behaviors for possibly disparate classes. Governments and companies worldwide are becoming increasingly concerned with carbon footprints (annual releases of carbon dioxide into the atmosphere) from buildings burning various types of fuels for heat, vehicles burning fuels for power, and the like. Many scientists blame these greenhouse gases for the phenomenon called global warming. Create three small classes unrelated by inheritance-classes Building, Car and Bicycle. Write an interface ICarbonFootprint with aGetCarbonFootprint method. Have each of your classes implement that interface, so that its GetCarbonFootprint method calculates an appropriate carbon footprint for that class (check out a few websites that explain how to calculate carbon footprints). Write an application that creates objects of each of the three classes, places references to those objects inList, then iterates through the List, polymorphically invoking each object's GetCarbonFootprint method.
Explain the char data type in java? A char is a single character in which a letter, a digit, a punctuation mark, a tab, a space or something same. A char literal is a single on
A Scrollbar is a Component while Scroll Panel is a Container. A Scroll Panel handles its own events and performs its own scrolling.
Default port used by RMI Registry is 1099
Your next task is to implement the MovieList class that manages the details for a list of DVD Movies read from the specified data file. The constructor will include a parameter tha
Bi-lingual site for the Mitzpe apiary Project Description: We require a bi-lingual website built in 14 days. The Mitzpe Apiary is a new company that was started by local e
1. Write the pseudocode to get the input of 10 integers from the user and add them up and output the total. (4 points) 2. Compute the output of following pseudocode. Assume that
Struts is a framework with set of co operating servlets, classes and JSP tags that create a reusable MVC 2 design. 1. Client (Browser) : A request from the cli
Who Can an Applet Talk To? By default an applet can just open network connections to the system from that the applet was downloaded. This system is known as the codebase. An ap
Determine the meaning of finalize When a finalize method is defined in a class, Java run time calls finalize() whenever it's about to recycle an object of t
A JMS client that makes and sends messages.
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