At execution time, the Java virtual machine (JVM) must handle different parts of memory:
- the part that contains the Java bytecode (i.e., the code that is executed by the JVM) -
- determined at execution time when the class is loaded into the JVM
- the dimension is fixed for each method at compilation time
- heap: part of memory that contains the objects -
- dynamically grows and shrinks during execution
- each object is allocated and deallocated independently from the other objects
- stack of activation records: part of memory for the data local to methods (variables and parameters) -
- dynamically grows and shrinks during execution
- is managed in the form of a stack (Last-In-First-Out strategy)
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