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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.
If any of the above conditions does not met, then the program will generate compilation errors. Today Rahul has written his first program "Hello World", but he is not sure about th
How can we define a Pixel? It is the smallest number of element of image that is spread along with regular array on display and each constituent consist of particular color.
In Exercise 1 you were asked to modify the Sorts program so that it would output the number of swaps used by a sorting method. It is a little more difficult to have the program als
Write the hashCode() method of java.lang.Object Anytime you override equals() you should also override hashCode(). The hashCode() method should ideally return the similar int f
java code for finding area under curve y=f(x) between x=a and a=b integrate y=f(x) between the li,its of a and b. the area under a curve between two points can be found by doing a
Hi, For my network and security class. I have a project where I need to create a program that take an input and encrypts it and then you can also enter that value into another tex
Illustrate the method to print on the GUI Example Code: Taking Input / Output So far, we learned how to print something on console. Now time has come to learn how to print
What is the purpose to use the enableEvents() method?
What is the use of Wrapper class You can create an object of Wrapper class using a String or a primitive data type Integer num = new Integer (4); or Integer num = n
What can you do with an exception once you've caught it? 1. Fix the difficulty and try again. 2. Do anything else instead. 3. Exit the application along with System.exit() 4
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