They are on classes and objects - Data Encapsulation Definition - What does a class comprise of? -
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OOPs
In today's technology-driven world, computer programming skills are in high demand. The object-oriented programming (OOP) approach is very much useful while designing and maintaining software programs. Object-oriented programming (OOP) is a basic programming paradigm that almost every developer has used at some stage in their career.
Constructor
The easiest way to think of a constructor in object-oriented programming (OOP) languages is:
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- I need help with these short answer python exercise questions.1. What is encapsulation?2. Why should an object's data attributes be hidden from code outside the class?3. What is the difference between a class and an instance of a class?Please answer the given JAVA question below. Explain the role of an accessor in a data definition class. In your answer, explain and provide Java code that demonstrates an accessor.(Hand Written Submission) Question # 1 a) What is the difference between an interface, class and an instance of the class?b) Is it a good idea to make member variables private? Why or why not?c) What is a constructor? Is it possible to have more than one constructor?d) What is the difference between static data member and an instance data member?e) What is the difference between composition and aggregation? Question # 2 Write a program to model the kinds of people one finds in a university. The categories are students,teachers and teaching assistant (TAs). All these categories are kinds of Person (Person is abstract class. Ateaching assistant (TA) is a student and a teacher as well.A person has a name (string). A student has grade point average GPA (between 0 to 4), the teacher hasthe number of scholarly papers he/she has published and the teacher assistant has the number of courseshe/she assists.All the classes contain constructors with default arguments to fill all data…
- If three objects of a class are defined, how many copies of that class’s data items are stored in memory? How many copies of its member functions? Explain with the help of a valid example by writing code and depict it via diagrams where appropriate.What is a delegate object? Group of answer choices 1. It is a way to unit test your code, by delegating certain tests to one object, and other tests to another. This makes each test clear and puts all related tests in a single object. 2. It’s a way to reuse code through composition. We delegate certain responsibilities to an object that can handle those responsibilities. 3. It’s a way to reuse code through inheritance. The parent class is the delegate object because the child delegates certain responsibilities to the parent class by using the inherited methods without overriding. 4. A delegate object is when you create multiple instances of the same class. One object is created for certain purposes, while the other is delegated to take care of similar purposes. While both objects are from the same class they have different specific purposes.solve this question using java also you will need do use a file in driver class ,d1 will help you to understand the realation between the classes, and d3 to know the function in index A you must define a class named MediaRental that implements the MediaRentalInt interface functionality(index A). You must define classes that support the functionality specified by the interface:. Define a class named MediaRental. Feel free to add any instance variables you understand are needed or any private methods. Do not add any public methods (beyond the ones specified in the MediaRentalInt interface).. The media rental system keeps track of customers and media (movies ,music albums and games). A customerhas a name, address as string , a plan and two lists. One list represent the media the customer is interested inreceiving and the second one represents the media already received (rented) by the customer. There are twoplans a customer can have: UNLIMITED and LIMITED. UNLIMITED allows a customer to…
- What does the final' keyword actually mean? Fields, functions, and classes are the three various categories of objects that can be preceded by the word final. What takes place in each of these circumstances?How we can access protected data members of a class without the use of public or private functions? Explain with codeWhat is polymorphic data structure? Select one: a.It is a data structure which contains as the data the instances of same classes.All classes usable for storing must have the same parent and can't contain the virtual methods. b.It is a data structure which contains as the data the instances of same classes.All classes usable for storing must have the same parent and must contain the virtual methods. c.It is a data structure which contains as the data the instances of same classes.All classes usable for storing must have the same parent and can contain the virtual methods. d.It is a data structure which contains as the data the instances of different classes.All classes usable for storing must have the same parent and contain the virtual methods.
- 1. Which of these are ways you could refer to original and new class pairings? first class/second class parent/child base class/derived class superclass/subclass 2. We access both object and class attributes using dot notation True False 3. A function within a class definition is a(n) class function operation object function method 4. Objects have A value A type A reference count A unique ID 5. A class is a(n) _________ for an object Which of the following is not appropriate to fill in the blank? blueprint mold set of instructions accessor 6. A____could be thought of as a mold that creates objectsIn order to avoid the complications that arise when combining non-object values with object-related values, you should go through the usage of wrapper classes for non-object data types.What's the difference between a class's static and non-static data members? Give an example of why a static data member might be helpful in the real world.
