Introduction to Java Programming and Data Structures Comprehensive Version (11th Edition)
11th Edition
ISBN: 9780134700144
Author: 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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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:…
: A point in the x-y plane is represented by its x-coordinate and y-coordinate. Design a class, pointType, that can store and process a point in the x-y plane. You should then perform operations on the point, such as showing the point, setting the coordinates of the point, printing the coordinates of the point, returning the x-coordinate, and returning the y-coordinate. Also, write a test program to test the various operations on the point.
Case Problem 1 -
In previous chapters, you developed classes that work with catering event information for Carly’s Catering. Now modify the Event and EventDemo classes as follows:
Modify the Event class to include an integer field that holds an event type. Add a final String array that holds names of the types of events that Carly’s caters—wedding, baptism, birthday, corporate, and other. Include get and set methods for the integer event type field. If the argument passed to the method that sets the event type is larger than the size of the array of String event types, then set the integer to the element number occupied by other. Include a get method that returns an event’s String event type based on the numeric event type.
To keep the EventDemo class simple, remove all the statements that compare event sizes and that display the invitation Strings.
Modify the EventDemo class so that instead of creating three single Event objects, it uses an array of three Event objects. Get data for…
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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