VICTOR GRAZI is an Oracle Java Champion and a veteran Java engineer in the USA, and has built serious Java applications at some of the world's leading banks. He is a Pluralsight author, has served as infoQ Java lead editor, and serves on the Java community process executive committee. Victor is a frequent presenter at technical conferences and hosts the “Java Concurrent Animated” and “Bytecode Explorer” open-source projects. JEANNE BOYARSKY is an Oracle Java Champion and has worked as a Java developer for a major bank for more than 20 years. She is a senior moderator at CodeRanch, and trains and mentors students of all levels, including the programming department of a FIRST robotics team.