Cognizant Consultant Interview Questions, Process, and Tips

Design patterns in Java, class loader, Spring dependency injection, and collections.

• Design patterns in Java are reusable solutions to common problems in software design.

• Class loader is responsible for loading classes into the Java Virtual Machine.

• Spring dependency injection is a design pattern that allows objects to be loosely coupled and easily managed.

• Collections in Java provide a way to store, retrieve, and manipula