ABAP Keyword Documentation → ABAP − Reference → Creating Objects and Values → Shared Objects
Shared Objects - Classes and Interfaces
The hierarchy of global classes that are involved when working with shared objects is as follows:
| |--Area Classes
Meaning of the three predefined system classes:
- CL_ABAP_MEMORY_AREA is the superclass of all area classes.
- CL_SHM_AREA is the superclass of all self-defined area classes.
- CL_IMODE_AREA is a predefined area class for the internal session.
There is also a system interface, which must be implemented by the class for the optional area constructor:
|--Area Constructor Class
7.31 | 7.40 | 7.54
Shared Objects - CL_ABAP_MEMORY_AREA