_combines attributes and methods into one unit and hides its internal structure of objects. Select one: a.Information hiding b.Inheritance C.Polymorphism d.Encapsulation
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- What is polymorphism in Java? It is when a program uses several different types of objects, each with its own variable. It is when a single variable is used with several different types of related objects at different places in a program. It is when a single parent class has many child classes. It is when a class has several methods with the same name but different parameter types.Create an object-oriented information system for a RESTAURANT. Requires all OOP concepts: With different class 1. Inheritance 2. Polymorphism 3. Encapsulation 4. Abstraction - (includes implementatio of inheritance) Program must: Read and Display, and Write operations (has transactions(shows bill and change), display data) Static only (previous transaction not saved, one time run only) -Terminal only(no GUI, no Database)Inheritance and object dependencies: break them down for me.
- A wrist watch is one of the most often seen things on the planet. Distinguish how each of the following terminology and ideas relates to the concept of a watch: object; attributes; behaviors; class; inheritance (take the concept of an alarm clock as an example); modeling; messages; encapsulation; interface; and information hiding.نقطة واحدة which application of oop can be provide a degree of freedom in the :interface design option Inheritance Object and class polymorphism Friend functionsEncapsulation, polymorphism, and object models are interconnected.
- Java Programming Create "Mammal" class as a parent class and "cat" as a child class Mammal(Superclass) Attributes name Methods move() eat() cat (Subclass) Attributes age Methods dispaly() eat() Override eat method in cat subclass. Print something in methods such as in move method you can print “I can move”. Test the inheritance with creating objects and calling parent and child methods. Create object of a child class by passing arguments to the constructor.Object models, as well as the concepts of encapsulation and polymorphism, are inexorably intertwined.Design and implement Java program as follows:1) Media hierarchy: Create Media, EBook, MovieDVD, and MusicCD classes from Week 3 -> PracticeExercise - Inheritance solution. Add an attribute to Media class to store indication when media object is rented versusavailable. Add code to constructor and create get and set methods as appropriate. Add any additional constructors and methods needed to support the belowfunctionality2) Design and implement Manager class which (Hint: check out Week 8 Reading and Writingfiles example): stores a list of Media objects has functionality to load Media objects from files creates/updates Media files has functionality to add new Media object to its Media list has functionality to find all media objects for a specific title and returns that list has functionality to rent Media based on id (updates rental status on media, updatesfile, returns rental fee)3) Design and implement MediaRentalSystem which has the following functionality: user…
- Create an object-oriented information system for a RESTAURANT. Requires all OOP concepts: 1. Inheritance 2. Polymorphism 3. Encapsulation 4. Abstraction - (includes implementation of inheritance) Program must: - Read and Display, and Write operations (has transactions, display data) - Static only (previous transaction not saved, one time run only) - Terminal only(no GUI, no Database)Draw and explain the chart for implementing accessibility control using package in Java. Write program for the following. 1. Create an abstract parent class Parent, with Abstract method show, Abstract method display, Concrete method callme 2. Create two concert sub classes Child1 and Child2 which inherits the Parent class. 3. Declare a reference variable of the parent class and create one object for each child class. 4. Assign the reference of the object of child class to the reference variable of the parent class and implement dynamic method dispatch for all the possible methods in each child class.Just the class diagramWrite an inheritance hierarchy for the classes quadrilateral, trapezoid, parallelogram, rectangle, and square. Use quadrilateral as the superclass of the hierarchy. Add as many levels as possible to the hierarchy. Specify instance variables and methods for each class. The private instance variables of quadrilateral must be the x,y coordinate pairs for the four endpoints of the quadrilateral. Write a program that creates object instances of your classes that prints the area of each object.