Nous Infosystems Senior Software Engineer Interview Questions, Process, and Tips

Code snippet to find 3rd largest salary

• Sort the salaries in descending order

• Skip duplicates while iterating through the sorted salaries

• Return the third unique salary

OOPs concepts refer to Object-Oriented Programming principles such as inheritance, encapsulation, polymorphism, and abstraction.

• Inheritance: Allows a class to inherit properties and behavior from another class.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Polymorphism: Ability to present the same interface for different data types.

• Abstraction: Hiding the complex implementation det

Types of threads include user threads and kernel threads.

• User threads are managed by user-level threads library and are created by the application.

• Kernel threads are managed by the operating system and are created and managed by the kernel.

• Examples include POSIX threads (pthread) for user threads and Windows threads for kernel threads.