Introduction to Java Programming and Data Structures  Comprehensive Version (11th Edition)
Introduction to Java Programming and Data Structures Comprehensive Version (11th Edition)
11th Edition
ISBN: 9780134700144
Author: Liang
Publisher: PEARSON
Question
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Chapter 13, Problem 13.9PE
Program Plan Intro

Circle.java

Program Plan:

  • Include a class name named “Exercise_13_09”.
    • Declare the main() method.
    • Create three Circle objects and assign values to them using the Circle class.
    • Display the radius of each circle object referencing Circle class.
    • Display if circle 1 is equal to circle 2 or not referencing Circle class.
    • Close the main() method.
    • Close the class.
  • Include an abstract class “GeometricObject”.
    • Declare all the data types of the variables.
    • Construct a default geometric object.
    • Construct a geometric object with color and filled value.
    • Assign color and fill to the object.
    • Set a new color.
    • Define an isFilled method returns filled and since filled is Boolean; the get method is named isFilled.
    • Set a new filled and getDateCreated method.
    • Override toString function to return output.
    • Define Abstract method getArea.
    • Define Abstract method getPerimeter.
    • Close class.
  • Include a class “Circle” that extends the class GeometricObject and implements Comparable.
    • Declare radius variable.
    • Create a Circle constructor.
    • Assign values to radius.
    • Create a function to set color and set fill in the Circle.
    • Create a Function to return radius.
    • Create a function to set a new radius.
    • Create an override function to return area.
    • Create an override function that returns true if objects radii are the same.
    • Create an override function to implement compareTo method.
    • Create a function that returns true if objects radii are the same.
    • Close class.

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Chapter 13 Solutions

Introduction to Java Programming and Data Structures Comprehensive Version (11th Edition)

Ch. 13.4 - How do you create a Calendar object for the...Ch. 13.4 - For a Calendar object c, how do you get its year,...Ch. 13.5 - Prob. 13.5.1CPCh. 13.5 - Prob. 13.5.2CPCh. 13.5 - Prob. 13.5.3CPCh. 13.5 - Prob. 13.5.4CPCh. 13.6 - Prob. 13.6.1CPCh. 13.6 - Prob. 13.6.2CPCh. 13.6 - Can the following code be compiled? Why? Integer...Ch. 13.6 - Prob. 13.6.4CPCh. 13.6 - What is wrong in the following code? public class...Ch. 13.6 - Prob. 13.6.6CPCh. 13.6 - Listing 13.5 has an error. If you add list.add...Ch. 13.7 - Can a class invoke the super.clone() when...Ch. 13.7 - Prob. 13.7.2CPCh. 13.7 - Show the output of the following code:...Ch. 13.7 - Prob. 13.7.4CPCh. 13.7 - What is wrong in the following code? public class...Ch. 13.7 - Show the output of the following code: public...Ch. 13.8 - Prob. 13.8.1CPCh. 13.8 - Prob. 13.8.2CPCh. 13.8 - Prob. 13.8.3CPCh. 13.9 - Show the output of the following code: Rational r1...Ch. 13.9 - Prob. 13.9.2CPCh. 13.9 - Prob. 13.9.3CPCh. 13.9 - Simplify the code in lines 8285 in Listing 13.13...Ch. 13.9 - Prob. 13.9.5CPCh. 13.9 - The preceding question shows a bug in the toString...Ch. 13.10 - Describe class-design guidelines.Ch. 13 - (Triangle class) Design a new Triangle class that...Ch. 13 - (Shuffle ArrayList) Write the following method...Ch. 13 - (Sort ArrayList) Write the following method that...Ch. 13 - (Display calendars) Rewrite the PrintCalendar...Ch. 13 - (Enable GeometricObject comparable) Modify the...Ch. 13 - Prob. 13.6PECh. 13 - (The Colorable interface) Design an interface...Ch. 13 - (Revise the MyStack class) Rewrite the MyStack...Ch. 13 - Prob. 13.9PECh. 13 - Prob. 13.10PECh. 13 - (The Octagon class) Write a class named Octagon...Ch. 13 - Prob. 13.12PECh. 13 - Prob. 13.13PECh. 13 - (Demonstrate the benefits of encapsulation)...Ch. 13 - Prob. 13.15PECh. 13 - (Math: The Complex class) A complex number is a...Ch. 13 - (Use the Rational class) Write a program that...Ch. 13 - (Convert decimals to fractious) Write a program...Ch. 13 - (Algebra: solve quadratic equations) Rewrite...Ch. 13 - (Algebra: vertex form equations) The equation of a...
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