Java 25 introduces Compact Object Headers (JEP 519), delivering up to 30% CPU savings and reduced memory usage for ...

You may also wonder how Java manages object values in the memory heap ... types are allocated in the stack memory, so only the local value will be changed. In this case, there is no object reference.

That code will create an s1 string object and a reference ... is stored in the stack and matched to the string inside the pool. The memory heap provides global access to all data stored in the heap ...