Discuss the pros/cons of using protected access for a class? Does it support or break encapsulation? Why?
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Discuss the pros/cons of using protected access for a class? Does it support or break encapsulation? Why?
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- Suggest a simple scheme for creating a new class SafeMember that would allow us to export a reference to a Member. The classes outside the system should be unaware of this additional class, and access the reference like a reference to a Member object. However, the reference would not allow the integrity of the data to be compromised.When it is useful to use extension methods? Question 21 options: a) All the answers are correct b) when extending functionalities of an interface type c) When extending functionalities of classes that can't be inherited from (e.g. sealed classes) d) when extending functionalities of a third party library that we don't have access to the source codeCan class field manipulation be prevented?
- What effect does it have on a class's dependencies if it is called "incomplete" or "insufficient," which are two of the most important things about a well-designed class?Discuss the concept of multiple interfaces in a single class. What are the advantages and potential challenges of implementing multiple interfaces in a class?Question 11 If data members are private, what can we do to access them from the class object?
- Discuss the concept of versioning and backward compatibility in object serialization. How can you handle changes to serialized classes over time?Please help me explain the below. They are on classes and objects - Data Encapsulation Definition - What does a class comprise of? - What are the different access specifiers and the difference between them - What are accessor and mutator methods - How do you create an object for a class - What is data hiding? - What is a constructor used for? - How do you write a constructor for a class? - What is function overloading and constructor overloading? - What is the use of the this keyword? - Passing objects to methods - What is the toString Method used for?Answer both to get a like or don't attempt.Thanks Question: 3. _________is a correct annotation with respect to JUnits.4. Is it necessary to write the test class to test every class? __________
- 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.When can double inheritance lead to confusion? Can you suggest any ways to fix this issue? Exactly what do we mean when we talk about virtual base classes? Just how crucial are they, exactly?How we can access protected data members of a class without the use of public or private functions? Explain with code