SAP OBJECTS STATEMENTS documentation, setup help and example usage

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Declaring Data Objects
A data object is an instance of a data type and occupies as much memory space as its type specifies. An ABAP program only works with data that is available as content of data objects. Data objects are either created implicitly in their declaration as
named data objects or explicitly as anonymous data objects using CREATE DATA or the instance operator NEW .

Data objects that are not declared using key words:

Literals are data objects that are declared in operand positions using literal source code.

Text symbols are character-like constant data objects that are declared outside the program.

Declaration of variables and constants in every context:

DATA

CONSTANTS

Declaration of static attributes in classes:

CLASS-DATA

Declaration of static variables in procedures:

STATICS

Declaration of interface work areas:

TABLES

NODES (obsolete)

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