Humana Interview Questions and Answers for Freshers

OOP in C# is a programming paradigm that uses classes and objects to model real-world entities.

• OOP stands for Object-Oriented Programming

• In C#, classes are used to define objects which have properties and methods

• Encapsulation, inheritance, and polymorphism are key principles of OOP in C#

• Example: class Car { string make; int year; void Start() { } }

A singleton is a design pattern that restricts the instantiation of a class to one object.

• Singleton pattern ensures that a class has only one instance and provides a global point of access to it.

• Commonly used in scenarios where only a single instance of a class is needed, such as database connections or configuration settings.

• Implementation can involve a private constructor, a static method to access the instance, and ...read more

Singleton pattern ensures a class has only one instance created at runtime.

• Ensures there is only one instance of the class by providing a global point of access to it.

• Uses a private constructor to restrict instantiation of the class from other classes.

• Commonly used in scenarios where only one instance of a class is needed, such as database connections or configuration settings.