For instance, if there's one standout nugget of know-how in Kenji's treatise on chili, it's how salting beans before you cook them makes them especially plump and flavorful, and that they won't, contrary to popular belief, turn into little rocks. (He's also roasted them for super-meaty black bean burgers.
Core java refers to the core or basic concepts of the Java programming language. Things like encapsulation, inheritance, multi-threading, exception handling and other basic feature of java that comes as part of the Java standard edition forms Core Java.
Java Virtual Machine. The heart of the Java platform is the concept of a virtual machine that executes Java bytecode programs. This bytecode is the same no matter what hardware or operating system the program is running under. There is a JIT (Just In Time) compiler within the Java Virtual Machine, or JVM.