R.R. Donnelley Software Engineer Interview Questions and Answers

Polymorphism is a key feature of OOP in C#. Extension methods allow adding new functionality to existing types.

• Polymorphism allows objects of different classes to be treated as if they are of the same type.

• Extension methods are static methods that can be called as if they were instance methods of the extended type.

• Polymorphism and extension methods can be used together to add new behavior to existing types without modi

Angular is a framework for building web applications using TypeScript, which is a superset of JavaScript.

• Angular provides a structure for building web applications using components, services, and modules.

• TypeScript is a statically typed language that provides better tooling and error checking than JavaScript.

• Services in Angular are used for sharing data and functionality across components.

• Components in Angular are the ...read more