A N M Bazlur Rahman works at Contrast Security as a Sr. Software Engineer. He has more than ten years of professional experience in the software industry, predominantly in Java and Java-related technologies. Recently, he was named a Java Champion. Outside of his regular work hours, he loves to mentor, write, speak at conferences, and contribute to open-source projects. He is the founder and current moderator of the Java User Group in Bangladesh. Since 2013, he has set up meetups and conferences to help the community learn more about Java. He was named Most Valuable Blogger (MVP) at DZone, one of the most recognized technology publishers in the world. Besides DZone, he is an editor for the Java Queue at InfoQ, another leading technology content publisher and conference organizer, and an editor at Foojay.io, a place for friends of OpenJDK. In addition, he has published five books about the Java programming language in Bengali; they were bestsellers in Bangladesh. He got his bachelor's degree in Information Technology with a major in Software Engineering from the Institute of Information Technology at the University of Dhaka in Bangladesh. He currently lives in Toronto, Canada.