About the Author

Koushik Kothagal is the founder of Java Brains, an online training website that offers courses on various enterprise Java and JavaScript technologies entirely for free. He works as a Senior Staff Engineer at Financial Engines. He has over 14 years of professional experience working on full-stack web applications and has worked extensively with technologies such as Java, Spring, Java EE, JavaScript, and Angular. He loves teaching, and when he's not coding Java and JavaScript, he's probably teaching it! He currently lives in the Bay Area.