Inheritance is used in the decorator pattern to make the decorator have the same type of the component and to inherit its methods
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Inheritance is used in the decorator pattern to make the decorator have the same type of the component and to inherit its methods
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- Coupling is the amount two methods or classes know about one another. The more they know about one another, the more tightly coupled the design. True/FalseFinish the TestPlane class that contains a main method that instantiates at least two Planes. Add instructions to instantiate your favorite plane and invoke each of the methods with a variety of parameter values to test each option within each method. To be able to test the functionality of each phase, you will add instructions to the main method in each phase.Please do it in JavaScript or C# 1) Design and implement the class structure for a drawing application. A drawing is made up of a canvas that contains a collection of three different shapes: circles, lines, and boxes. Each shape can be drawn by calling a Draw() method for that shape. The canvas class should also have a draw method that draws all of the shapes it contains. You don’t have to actually draw anything on a screen; you can simulate drawing by writing a message to the console.For example, the code snippet: canvas.Draw();Drawing a circle at...Drawing a line at...etc. (For each shape on the canvas) 2)(Bonus) Consider re-writing the above answer (#1) differently where the canvas does not contain the shapes, but is able to draw any of the three shapes passed to it. Re-design canvas.Draw() if you need to. Your main() program should ask for user input on what shape to draw. Ask once, draw, then exit.could produce something like the following output to the console:
- The Factory method design pattern is useful since it can be used to create new objects of a particular type dynamically. True FalseThe Factory method design pattern is advantageous since it enables dynamically creating new objects of a certain kind. True UntrueDesign an application that does the following: A Solid can be a FlatSurfaceSolid or a CurvedSurfaceSolid. Every solid will have a volume. The method volume will be polymorphic. A solid has faces, vertices and edges. A flat-surface solid also has a variable called side which represents the length of the side. A curved-surface solid also has a radius. A Cube is a FlatSurfaceSolid. A cube has 6 faces, 8 vertices and 12 edges. It will have a side. A Sphere is a CurvedSurfaceSolid. It has 1 face, 0 vertices and 0 edges. It will have a radius. Create an ArrayList of solids (driver file named YourLastNameCISC231Q1.java). The arraylist will have 4 elements – 2 cubes (one with side length 3 and another will side length 4) and 2 spheres (one with radius 3 and another with radius 4). Create a driver class to instantiate an array of solids and display the details of each solid along with the volume of each solid.
- java You are part of a team writing classes for the different game objects in a video game. In this assessment you are given a superclass (Human.java), two subclasses (Warrior.java and Wizard.java) and a test application (TestGameObjects.java). Both the Warrior and the Wizard classes need to be able to calculate stealth. This needs to be done in the method getStealth. This method has an integer parameter (dexterity) and returns an integer. Refer to the test application to see how the method is used. The Warrior and Wizard classes calculate stealth differently: The Warrior's stealth is equal to dexterity times strength (dexterity * strength) while the Wizard's stealth is equal to three times dexterity times intelligence (3 * dexterity * intelligence). You need to write an interface with the method getStealth, and then modify the superclass and subclasses to implement this interface. You also need to test the validity of the object ID. The object ID must consist of the character 'W'…This is for pygame Text Class The Text class inherits from Drawable and it will be used to display the player's score. You must implement at the very least the required methods of the base class (draw and get_rect), as well as a constructor. You may need to implement other methods as part of the public interface. This is the Drawable Class import pygame import abc import random class Drawable(metaclass - abc. ABCMeta): def --init(self, x- 0, y -0): self.x - x self.y - y self.position - (self.x, self.y) self.visible - False def setloc(self, p): self.x - p[0] self.y - p[1] def getloc(self): return(self.x, self.y) def getX(self): return self.x def getY(self): return self.y eabc.abstractmethod def draw(self, surface): pass eabc.abstractmethod def get_rect(self): passIn Java Use inheritance to create the class PassengerPlane. An object of this class includes a model, range, and number of seats. Include a constructor, the appropriate get and set method(s), and a toString method that returns a string containing the model, range, and number of seats for the plan.
- An interface can have : instance variables. only method headings without implementation. some methods with implementation. only one constructor.JAVA A company needs to develop an object-oriented library with a few Java classes forthe following task. Overall, they want the classes to model the geometric shapes and calculatetheir areas. These geometric shapes include Square, Rectangle, Circle, and Triangle.The above four shapes share common attributes such as name and color. The area of a shapecan be calculated by using a method area( ) which can be implemented only until the exactshape is known. Different shapes need a different area( ) method.1) Design a Java abstract class called Shape to model this situation, which will serve as a parentclass. Write its code;2). All the above shapes should be drawable by the users by calling the draw( ) method.Different shapes are drawn differently. You should design a Java interface named Drawableto provide this method for the shape classes to implement in their own ways. Write its code;3). Write the code for the four classes: Square, Rectangle, Circle, and Triangle.Note:• You should decide…A Door Class A computer game usually has many different objects that can be seen and manipulated. One typical object is a door. Whether a player runs through a castle, attacks the forces of an evil empire, or places furniture in a room, a door often comes into play. Implement a Door class as described below as well as a TestDoor class that instantiates three Door objects labeled “Enter,” “Exit,” and “Treasure.” The “Enter” door should be left unlocked and opened. The “Exit” door should be left closed and locked. The “Treasure” door should be left open but locked. A Door class A Door object can • display an inscription, • be either open or closed, and • be either locked or unlocked. Here are some rules about how Door’s work. • Once the writing on a Door is set, it cannot be changed. • You may open a Door if and only if it is unlocked and closed. • You may close a Door if and only if it is open. • You may lock a Door if and only if it is unlocked, and unlock a Door if…