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Chapter: 13 / Q: 5
(Enable GeometricObject comparable) Modify the GeometricObject class to implement the Comparable interface, and define a static max method in the GeometricObject class for finding the larger of two GeometricObject objects
Chapter: 13 / Q: 6
(The ComparableCircle class) Define a class named ComparableCircle that extends Circle and implements Comparable. Draw the UML diagram and implement the compareTo method to compare the circles on the basis of area
Chapter: 13 / Q: 7
(The Colorable interface) Design an interface named Colorable with a void method named howToColor(). Every class of a colorable object must implement the Colorable interface. Design a class named Square that extends GeometricObject and implements Colorable. Implement howToColor to display the messag
Chapter: 13 / Q: 8
(Revise the MyStack class) Rewrite the MyStack class in Listing 11.10 to perform a deep copy of the list field
Chapter: 13 / Q: 9
(Enable Circle comparable) Rewrite the Circle class in Listing 13.2 to extend GeometricObject and implement the Comparable interface. Override the equals method in the Object class. Two Circle objects are equal if their radii are the same. Draw the UML diagram that involves Circle, GeometricObject,
Chapter: 13 / Q: 10
(Enable Rectangle comparable) Rewrite the Rectangle class in Listing 13.3 to extend GeometricObject and implement the Comparable interface. Override the equals method in the Object class. Two Rectangle objects are equal if their areas are the same. Draw the UML diagram that involves Rectangle, Geome
Chapter: 13 / Q: 11
(The Octagon class) Write a class named Octagon that extends GeometricObject and implements the Comparable and Cloneable interfaces. Assume that all eight sides of the octagon are of equal length. The area can be computed using the following formula:
Chapter: 13 / Q: 12
(Sum the areas of geometric objects) Write a method that sums the areas of all the geometric objects in an array. The method signature is
Chapter: 13 / Q: 13
(Enable the Course class cloneable) Rewrite the Course class in Listing 10.6 to add a clone method to perform a deep copy on the students field
Chapter: 13 / Q: 14
(Demonstrate the benefits of encapsulation) Rewrite the Rational class in Listing 13.13 using a new internal representation for the numerator and denominator. Create an array of two integers as follows:
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