ABAP: Define variable using LIKE keyword

If you already defined a variable, you can define other variable by referring the existing one.

Ex:

DATA: first_name TYPE STRING,

      last_name LIKE first_name.

As you see above snippet, last_name is declared by using LIKE operator.

Z_HELLO_WORLD

*&---------------------------------------------------------------------*
*& Report Z_HELLO_WORLD
*&---------------------------------------------------------------------*
*&
*&---------------------------------------------------------------------*
REPORT Z_HELLO_WORLD.

* Defining Variables
DATA: first_name TYPE STRING,
      last_name LIKE first_name,
      age TYPE I.

first_name = 'Hari Krishna'.
last_name = 'Gurram'.
age = 28.

Write first_name.
Write / last_name.
Write / age.

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