![]() ![]() Technical OOPs Interview Questions and Answers.Intermediate Oops Interview Questions and Answers. ![]() Advanced OOPs Interview Questions and Answers.Basic OOPs Interview Questions and Answers.List of Top OOPs Interview Questions And Answers In 2022.Most Popular OOPs Interview Questions And Answers.Our team will get back to you at the earliest. If you have any questions, feel free to post them in the comments section below. These courses can help you hone the relevant skills and make you job-ready in no time. Start today by getting your hands on short-term courses like Full Stack Web Developer - MEAN Stack and AWS Cloud Architect. Instead of learning everything at once, it is recommended to go step by step. It’s time to start your journey as a programmer. One uses base keyword to access members of the base class from a derived class. It is a return type function/method that includes one parameter or none. Properties are known as the members that offer a flexible mechanism to read, write or process the values of private fields. Define Accessors.Īccessors are known as the getting and Set portions of a property. One can use the condition statement in C# to catch multiple exceptions. How can one catch multiple exceptions at once in C#? Net Framework restricts the serialization of any objects that implement the iDictionary Interface. No, it’s impossible to serialize Hashtable because the. Structural Patterns: It deals with Class and Object Composition.īehavioral Patterns- It deals with Class and Object Communication. There are three types of Design Patterns-Ĭreational Patterns: It deals with the creation of Objects and Classes. It doesn’t change their values at a run time until and unless the application is running. These are also known as immutable values visible at the compile time. Define Constant?Ĭonstant is known as the “const” keyword in C#. No, it is impossible to inherit Enum in C# because the Enums are by default sealed. Yes, one can create an Object Creation by using the following methods-Ībstract Class, Static Class, Private or Protected Constructor. One can define static and non-static members, including properties, fields, indexers, and abstract classes. What is the type of members one can define in an Abstract Class? In this situation, one has to use abstract classes. However, other methods must be available to override the child classes. When can one use Abstract Class?Īn Abstract class can be used when one has a requirement where the base class provides the default implementation of the given metaphors. What do you understand by the term Abstraction?Ībstraction highlights the showcase of only necessary details to the intended user. For Encapsulation, the best example is Class. It is utilized for hiding the code and data in one unit to cover the data from the outside world. What do you mean by Encapsulation?Įncapsulation is known as wrapping, also considered as hiding properties and methods. It can be used only through an instance of the Interface. The difficulty with explicit implementation is that the member of the same class can't be accessed while using a class instance. In this one, one doesn’t need to specify the interface name of the given members. ![]() It is known as another way of implementing the members of an interface. Define the meaning of Explicit Interface Implementation. In this one, one doesn’t have to specify the interface name of the members and implement the implicity. This is the most common way to implement the members of an interface. Define Implicit Interface Implementation. Interfaces are mainly used for Extensibility, Implementation Hiding, Accessing Objects using the interfaces, and Loose Coupling. The primary use of the constructor is known to start private fields of the Class as and when creating an instance for the Class. Define Constructor.Ĭonstructor is known as a unique method of the Class which will be automatically invoked as soon as an instance of the Class is curated. However, there is more than one possibility for what type of info is supplied to the method that is supposed to carry out the tasks. One has to use method overloading in places where the Class is required to be able to perform something. When and why should one use the method of Overloading? Overloading is known as the process of curating several methods in the Class with the same name but consists of different parameters and types.
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