Vaskaran Sarcar obtained his master of engineering degree from Jadavpur University, Kolkata, India. He was a national Gate Scholar and has more than 12 years of experience in education and the IT industry. He worked as senior software engineer, specialist, and team lead in the R&D hub at HP Inc. India till August, 2019. He is an alumnus of prestigious institutions in India, such asJadavpur University, Vidyasagar University, and Presidency University (formerly Presidency College). Reading and learning new things are his passions. Other books by Vaskaran include the following: Java Design Patterns (Second Edition) (Apress, 2018) Design Patterns in C# (Apress, 2018) Interactive C# (Apress, 2017) Interactive Object-Oriented Programming in Java (Apress, 2016) Java Design Patterns (First Edition) (Apress, 2016) C# Basics: Test Your Skill (CreateSpace, 2015) Operating System: Computer Science Interview Series (CreateSpace, 2014)