In our ongoing series of interviews with the movers and shakers of the software world, we bring you a conversation with Cay Horstmann, a towering figure in the Java community and a respected academic and entrepreneur. Known for his prolific contributions in the form of textbooks, online content, and courses, Cay has been instrumental in shaping the Java education landscape. …

Apache Camel is an open source enterprise integration framework that helps you connect different systems and applications together with as little effort as possible. It provides a simple and powerful way to define and implement message-based routing and mediation rules. It is an implementation of the patterns described in the book Enterprise Integration Patterns by Gregor Hohpe and Bobby Woolf. …

Before going into the content of this post, check out my new book which launched last week! Quite a few years ago I was maintaining a database-driven system and ran into a weird production bug. The column I was reading from had a null value, but this wasn’t allowed in the code and there was no place where that value …