Chetu Interview Questions, Process, and Tips

Abstract classes are classes that cannot be instantiated and can have both abstract and non-abstract methods. Interfaces are contracts that define methods that must be implemented by a class.

• Abstract classes can have constructors while interfaces cannot

• A class can implement multiple interfaces but can only inherit from one abstract class

• Abstract classes can have instance variables while interfaces cannot

• Interfaces are ...read more

To use two models in a single view with MVC Routing and Attribute, we can create a ViewModel.

• Create a ViewModel that contains the properties of both models

• Populate the ViewModel with data from both models in the controller

• Pass the ViewModel to the view

• Access the properties of both models in the view using the ViewModel

Abstraction, inheritance and polymorphism are three fundamental concepts in object-oriented programming.

• Abstraction is the process of hiding complex implementation details and providing a simplified interface for the user.

• Inheritance is the mechanism by which one class acquires the properties and behavior of another class.

• Polymorphism is the ability of an object to take on many forms. It allows objects of different cla...read more