Learn how to optimize JVM and JIT compiler performance for better execution speed, memory usage ... fine-tuning JVM parameters, such as heap size and thread-stack size, can optimize the JVM ...

Whenever a new string variable or object is created, it is stored in computer memory. Memory is split into two high-level blocks, the stack and the heap. Java stores object values in heap memory; ...

Primitive types are allocated in the stack memory ... Object variables in Java always point to the real object in the memory heap. A mutable object’s value can be changed when it is passed ...