Azul Systems. Are you interested in learning what a Java Virtual Machine (JVM) is and what it does for your Java applications? This presentation will provide insight into the inner workings of a Java Virtual Machine and some drill down on what compilers and garbage collectors do, so that you don't have to worry about it while programming your Java application. In particular, you will learn about common optimizations, well established garbage collection algorithms, and what the current biggest challenge with Java scalability is today.