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What are the characteristics of stack memory and heap memory?

王林
Release: 2020-07-03 16:30:37
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What are the characteristics of stack memory and heap memory?

Stack memory features:

(Recommended tutorial: java entry program)

  • The memory area where the method is executed. Each method called will create a stack frame.

  • The storage characteristics are first in, last out, last in, first out.

  • is automatically allocated by the system and is fast. The stack is a continuous memory space.

Stack memory storage content:

Local variables, operands, method exits.

(Video tutorial recommendation: java video tutorial)

Heap memory characteristics:

Heap memory is discontinuous Space, flexible allocation, slow speed.

Heap memory storage content:

Created objects and arrays.

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