Introduction to Java Programming and Data Structures, Comprehensive Version (11th Edition)
11th Edition
ISBN: 9780134670942
Author: Y. Daniel Liang
Publisher: PEARSON
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Textbook Question
Chapter 10, Problem 10.13PE
(Geometry: the MyRectangle 2D class) Define the MyRectangle2D class that contains:
- Two double data fields named x and y that specify the center of the rectangle with getter and setter methods. (Assume the rectangle sides are parallel to x - or y-axis.)
- The data fields width and height with getter and setter methods.
- A no-arg constructor that creates a default rectangle with (0, 0) for (x, y) and 1 for both width and height.
- A constructor that creates a rectangle with the specified x, y, width, and height.
- A method getArea () that returns the area of the rectangle.
- A method getPerimeter() that returns the perimeter of the rectangle.
- A method contains(double x, double y) that returns true if the specified point (x, y) is inside this rectangle (see Figure 10.24a).
- A method contains(MyRectangle2D r) that returns true if the specified rectangle is inside this rectangle (see Figure 10.24b).
- A method overlaps (MyRectangle2D r) that returns true if the specified rectangle overlaps with this rectangle (see Figure 10.24c).
FIGURE 10.24 A point is inside the rectangle. (b) A rectangle is inside another rectangle. (c) A rectangle overlaps another rectangle. (d) Points are enclosed inside a rectangle.
Draw the UML diagram for the class then implement the class. Write a test
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Exercise:
Exercises
Write a class named Octagon that extends GeometricObject and implements the Comparable and Cloneable interfaces.
Assume all eight sides of the octagon are of equal length. The area can be
computed using the following formula:
The Octagon class has a private double data field named side with its getter and setter methods. The class has a no-arg constructor that creates an Octagon with side 0, and a constructor to create an Octagon with a specified side.
Write a test program that creates an Octagon object with side value 5 and displays its area and perimeter. Create a new object using the clone method, and compare the two objects using the compareTo method.
As far as classes go, the abstract GeometricObject class contains the abstract doubles getArea() and getPerimeter(). The programming language used in this exercise is Java, and it covers the Interfaces topic. I did get how most of the program should look like, but I'm facing trouble understanding a few…
Define the MyRectangle2D class that contains:
Two double data fields named x and y that specify the center of the rectangle with getter and setter methods. (Assume the rectangle sides are parallel to x- or y-axis.)
The data fields width and height with getter and setter methods.
A no-arg Constructor that creates a default rectangle with (0, 0) for (x, y) and 1 for both width and height.
A Constructor that creates a rectangle with the specified x, y, width, and height.
A method getArea() that returns the area of the rectangle.
A method getPerimeter() that returns the perimeter of the rectangle.
A method contains(double x, double y) that returns true if the specified point (x, y) is inside this rectangle (see Figure 10.24a ).
A method contains(MyRectangle2D r) that returns true if the specified rectangle is inside this rectangle (see Figure 10.24b ).
A method overlaps(MyRectangle2D r) that returns true if the specified rectangle overlaps with this rectangle (see Figure 10.24c)
NOTE:…
Chapter 10 Solutions
Introduction to Java Programming and Data Structures, Comprehensive Version (11th Edition)
Ch. 10.2 - Prob. 10.2.1CPCh. 10.3 - Is the BMI class defined in Listing 10.4...Ch. 10.4 - Prob. 10.4.1CPCh. 10.4 - Prob. 10.4.2CPCh. 10.4 - Prob. 10.4.3CPCh. 10.4 - Prob. 10.4.4CPCh. 10.7 - Prob. 10.7.1CPCh. 10.7 - Prob. 10.7.2CPCh. 10.7 - How do you convert an integer into a string? How...Ch. 10.7 - Show the output of the following code: public...
Ch. 10.7 - Prob. 10.7.5CPCh. 10.8 - What are autoboxing and autounboxing? Are the...Ch. 10.8 - Show the output of the following code. public...Ch. 10.9 - What is the output of the following code? public...Ch. 10.10 - Suppose s1, s2, s3, and s4 are four strings, given...Ch. 10.10 - To create the string Welcome to Java, you may use...Ch. 10.10 - What is the output of the following code? String...Ch. 10.10 - Let s1 be Welcome and s2 be welcome Write the...Ch. 10.10 - Prob. 10.10.5CPCh. 10.10 - Prob. 10.10.6CPCh. 10.10 - Prob. 10.10.7CPCh. 10.10 - Prob. 10.10.8CPCh. 10.10 - What is wrong in the following program? 1public...Ch. 10.10 - Show the output of the following code: public...Ch. 10.10 - Show the output of the following code: public...Ch. 10.11 - Prob. 10.11.1CPCh. 10.11 - Prob. 10.11.2CPCh. 10.11 - Prob. 10.11.3CPCh. 10.11 - Prob. 10.11.4CPCh. 10.11 - Prob. 10.11.5CPCh. 10.11 - Suppose s1 and s2 are given as fot tows:...Ch. 10.11 - Show the output of the following program: public...Ch. 10 - (The Time class) Design a class named Time. The...Ch. 10 - (The BMI class) Add the following new constructor...Ch. 10 - (The MyInteger class) Design a class named...Ch. 10 - Prob. 10.4PECh. 10 - (Display the prime factors) Write a program that...Ch. 10 - (Display the prime numbers) Write a program that...Ch. 10 - Prob. 10.7PECh. 10 - Prob. 10.8PECh. 10 - (The Course class) Revise the Course class as...Ch. 10 - Prob. 10.10PECh. 10 - Prob. 10.11PECh. 10 - (Geometry: the Triangle2D class) Define the...Ch. 10 - (Geometry: the MyRectangle 2D class) Define the...Ch. 10 - (The MyDate class) Design a class named MyDate....Ch. 10 - (Geometry: the bounding rectangle) A bounding...Ch. 10 - (Divisible by 2 or 3) Find the first 10 numbers...Ch. 10 - (Square numbers) Find the first 10 square numbers...Ch. 10 - (Mersenne prime)A prime number is called a...Ch. 10 - (Approximate e) Programming Exercise 5.26...Ch. 10 - (Divisible by 5 or 6) Find the first 10 numbers...Ch. 10 - (Implement the String class) The String class is...Ch. 10 - (Implement the String class) The String class is...Ch. 10 - (Implement the Character class) The Character...Ch. 10 - (New string split method) The split method in the...Ch. 10 - (Implement the StringBuilder class) The...Ch. 10 - (Implement the StringBuilder class) The...
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