Introduction to ABAP

ABAP - Stands for Advanced Business Application Programming.

-> It is the programming language to develop applications for the R/3 System.

-> ABAP Language also known as ABAP/4 language.

Here 4 stands for 4th generation language.

-> The Latest version of ABAP is Called ABAP objects and it supports Object-Oriented Programming.

Data Types in ABAP Language:

Pre-Defined Data Types:

Integer Data Types:

4 Integer Data Types

-> Integer - I

-> Floating Point - F

-> Packed Decimal - P

-> Numeric - N

Character Data Types:

6 Character Data Types

-> Char - C

-> String - S

-> Date - DATS (YYYYMMDD)

-> Time - TIMS (HHMMSS)

-> XString - XS

-> Hexa Decimal - X

User Defined Data Types:

Syntax:

Types: Variable_Name type Variable_Type.

Ex:

Types: Eno type I.

Here Eno is Variable_Name

I is Variable_Type
Type is a Keyword to refer Data Types

Types is to make Statement as Data Type

Other way to define Data Types

Data: Eno type I

Data: Empno type Eno

Types means Data Types, Data means Data Objects

Data Types doesn't takes memory where as Data Objects can takes memory.