Handle
Repayable location:
Stack. Reside in regular RAM (random access memory) area
heap. A conventional use of memory pool (also in the RAM area), where Java objects are saved
Static storage. "Static" here refers to "located in a fixed position" (although in the RAM). During the operation, the static stored data will wait any time. The available Static keyword indicates that a particular element of an object is static.
The main variable of the handle
