Java applications have a reputation for consuming a lot of memory. In his talk "Principles of Memory Management in Java", software engineer Ron Pressler argues that this observation misses the more important question: How efficiently does an application use RAM and CPU together? Java’s garbage collectors do not manage memory like malloc and free in C or C++. Allocating an object is usually little more than advancing a pointer. When a collection becomes necessary, the garbage collector identifies reachable objects and compacts ... Read more