The ability to create classes that share the attributes and methods of existing classes but with more specific features is known as Abstraction Polymorphism Typecasting Inheritance
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A: Answer: I have given answered in the handwritten format.
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A: Actually, Inheritance is acquiring the properties from one class to another class.
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A: The Answer is given below step.
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A: Complete code with output is given below :
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A: Give: A class may have several constructors and it is called __________.
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A: Given: Inheritance makes it more difficult to design object class tests. Explain.
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A: by bartleby guidelines i am able to do only one question, pls ask other as separately.
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Q: The ability to create classes with more specific attributes and methods that share the properties…
A: Intro The ability to construct classes with more specific characteristics that share the…
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A: Lets see the solutions.
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A: Given:
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- The ability to create classes with more specific attributes and methods that share the properties and methods of existing classes is referred to as: Abstraction Polymorphism Typecasting InheritanceLibrary Information System Design and Testing Library Item Class Design and TestingDesign a class that holds the Library Item Information, with item name, author, publisher. Write appropriate accessor and mutator methods. Also, write a tester program(Console and GUI Program) that creates three instances/objects of the Library Items class. Extending Library Item Class Library and Book Classes: Extend the Library Item class in (1) with a Book class with data attributes for a book’s title, author, publisher and an additional attributes as number of pages, and a Boolean data attribute indicating whether there is both hard copy as well as eBook version of the book. Demonstrate Book Class in a Tester Program (Console and GUI Program) with an object of Book class.- Simple factory is not considered a design pattern because it does not decouple the client from concrete classes Select one: True False 2- structural patterns provide guidance on the way in which classes interact to distribute responsibility Select one: True False 3- The Simple factory is used when you want to limit the instantiation of classes to one implementation Select one: True False 4- When a class A is composing a reference to another class B, then we say that class A has-a class B relationship Select one: True False
- True or False A class can implement more than one interface.Describe the classes, methods and attributes that you would use in the Object Oriented design of a simulated automobile. Use this format to describe your classes: Class: Door Methods: void Open(), void Close(), void SetLock(bool), bool GetLocked(), etc. Attributes: bool open, bool locked, class Window, etc.Creating classes, interfaces, and abstract classes in programming may be done in two ways. Distinguish between classes that have an interface and classes that are abstract. Why do you choose one over the other?
- Simple factory is not considered a design pattern because it does not decouple the client from concrete classes Select one: True FalseObject composition is useful for creating an Is-A relationship between classes. is it True or False ??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…
- Nearly every Java application involves multiple classes. As you have learned, designing a program around classes and objects is a key feature of object-oriented programming and provides many benefits, such as more readable and maintainable code. However, it is not enough to just have multiple classes. You also need to make sure that these classes can work together within a program. This involves making sure that any relationships, such as inheritance, are properly implemented in the code. It also involves having a main() method, usually located in a special class called the "Driver" class, that runs the program. In this assignment, you will gain experience putting together a multiple-class program by creating a class that inherits from another (existing) class, and modifying or implementing methods in the Driver class. This milestone will also give you the opportunity to begin coding a part of the solution for Project Two. This will allow you to get feedback on your work before you…Equivalence classes may lead to the risk of eliminating test cases that might reveal defects. True FalseThe details of each work out must be stored in a class called WorkOut object shown in the class diagram. Use the class diagram to code the WorkOut object. WorkOut start: DateTime - end : DateTime - description : string - level : integer points: real - numWorkOuts: integer + LOW: integer = 4 + MEDIUM : integer =8 + Constructor (p: real, n:integer) + Constructor (s:string, e:string, d:string, 1:integer) + get Points () : real + getNumWorkOuts (): integer long getMinutes () + int getStars () + changeDescription () + toString(): string