Pearson eText for Starting Out with Java: Early Objects -- Instant Access (Pearson+)
Pearson eText for Starting Out with Java: Early Objects -- Instant Access (Pearson+)
6th Edition
ISBN: 9780137516803
Author: Tony Gaddis
Publisher: PEARSON+
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Chapter 6.4, Problem 6.10CP
Program Plan Intro

 Program Plan:

  • Define the public class “RectangleDemo”.
    • Define the main method using public static void main(String[] args).
      • Declare the object.
      • Call the method “getRectangle(rect)”.
    • Close the main method.
  • Close the public class.
  • Define the class “Rectangle”.
    • Declare “double” variables.
    • Define the constructor.
      • Assign the values.
    • Define the method “getRectangle(rect)”.
      • Print the required data.
  • Close the class.

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Class RightTriangle Represents a right triangle by the length of each of its two legs Includes the default and overloaded constructor, methods to set the length of each of the two legs, amethod to get the area, a method to scale the size of the triangle, a method to invert the triangle(swap the lengths of its two legs), and a method to print its dimensions.Class TestRightTriangle Creates and initializes two triangles. Calls the various associated methods to set its size, compute its area, scale its size, invert, and print itsdimensions.You are required to implement both classes according to the requirements specified in the commentsdisplayed in the .java files. The following is an example of possible output:triangle1 dimensions: 6.0 3.5triangle1 area: 10.5triangle2 dimensions: 3.0 4.0triangle2 area: 6.0triangle1 dimensions: 18.0 10.5triangle2 dimensions: 5.5 6.5triangle1 dimensions: 4.5 2.625triangle1 dimensions after invert: 2.625 4.5A few details: Do NOT modify any of the code…
Slide Type Slide • Exercise # 1: Define a class Point that represents a point in 2 – D plane. The point has x and y coordinates. Define the following: • A constructor to initialize the x, y coordinates. • A method translate(self, dx,dy) to translate the point object dx , and dy units in x and y directions, respectively. • A method distanceTo (self, point2) to return the distance between the point referenced by self and point2. • getX(self) to return the value of x coordinate. • getY(self) to return the value of y coordinate Test the above class by: • Creating 2 point objects; one with (3,5) as x,y coordinates; the second with (-10,30) as x,y coordinates. • Move the first point 5.5 units in x direction and -12.5 units in y direction using translate method • Find the distance between the 2 points in their current location using distance To method A Sample output resulting from running the above test class is shown below new coordinates of point1= (8.5 , -7.5) Coordinates of point 2 =…

Chapter 6 Solutions

Pearson eText for Starting Out with Java: Early Objects -- Instant Access (Pearson+)

Ch. 6.5 - Recall the Rectangle class shown earlier in this...Ch. 6.9 - Consider the following statement: A car has an...Ch. 6.9 - Why is it not safe to return a reference to an...Ch. 6.9 - A class has a reference variable as an instance...Ch. 6.10 - Prob. 6.15CPCh. 6.12 - Look at the following statement, which declares an...Ch. 6.12 - Assume that the following enumerated data type has...Ch. 6.12 - Prob. 6.18CPCh. 6 - This type of method cannot access any non-static...Ch. 6 - Prob. 2MCCh. 6 - Prob. 3MCCh. 6 - Prob. 4MCCh. 6 - If you write this method for a class, Java will...Ch. 6 - Making an instance of one class a field in another...Ch. 6 - This is the name of a reference variable that is...Ch. 6 - This enum method returns the position of an enum...Ch. 6 - Assuming the following declaration exists: enum...Ch. 6 - You cannot use the fully qualified name of an enum...Ch. 6 - The Java Virtual Machine periodically performs...Ch. 6 - If a class has this method, it is called...Ch. 6 - CRC stands for a. Class, Return value, Composition...Ch. 6 - Prob. 11MCCh. 6 - True or False: A static member method may refer to...Ch. 6 - True or False: All static member variables are...Ch. 6 - Prob. 18TFCh. 6 - Prob. 19TFCh. 6 - Prob. 21TFCh. 6 - True or False: Enumerated data types are actually...Ch. 6 - True or False: enum constants have a toString...Ch. 6 - True or False: A class may not have more than one...Ch. 6 - True or False: A private class that is defined...Ch. 6 - public class MyClass { private int x; private...Ch. 6 - public class TwoValues { private int x, y; public...Ch. 6 - public class MyMath { public static int square(int...Ch. 6 - Assume the following declaration exists : enum...Ch. 6 - l. Consider the following class declaration:...Ch. 6 - A pet store sells dogs, cats, birds, and hamsters....Ch. 6 - Prob. 1SACh. 6 - Prob. 2SACh. 6 - Consider the following class declaration: public...Ch. 6 - Prob. 4SACh. 6 - How does method overloading improve the usefulness...Ch. 6 - Prob. 6SACh. 6 - Even if you do not write an equals method for a...Ch. 6 - A has a relationship can exist between classes....Ch. 6 - Prob. 9SACh. 6 - Is it advisable or not advisable to write a method...Ch. 6 - Prob. 11SACh. 6 - Look at the following declaration: enum Color {...Ch. 6 - Assuming the following enum declaration exists:...Ch. 6 - Under what circumstances does an object become a...Ch. 6 - Area Class Write a class that has three overloaded...Ch. 6 - InventoryItem Class Copy Constructor Add a copy...Ch. 6 - Carpet Calculator The Westfield Carpet Company has...Ch. 6 - LandTract Class Make a LandTract class that has...Ch. 6 - Month Class Write a class named Month. The class...Ch. 6 - Employee Class Modification In Programming...Ch. 6 - RetailItem Class Modification Modify this chapters...Ch. 6 - Sales Receipt File Modify the program you wrote in...Ch. 6 - Parking Ticket Simulator For this assignment you...Ch. 6 - Geometry Calculator Design a Geometry class with...Ch. 6 - Car Instrument Simulator For this assignment, you...Ch. 6 - First to One Game This game is meant for two or...Ch. 6 - Heads or TaiLs Game This game is meant for two or...
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