SAP Program to concatenate two strings

 REPORT ZSM_INTERNALCONCAT.

TYPES: BEGIN OF str,
         id     TYPE int4,
         first_name   TYPE char10,
         last_name TYPE char10,
         full_name type char20,
       END OF str.

DATA: it TYPE STANDARD TABLE OF str,
      wa TYPE str.

wa-id = '1'.
wa-first_name = 'Suvadeep'.
wa-last_name = 'Mondal'.
CONCATENATE wa-first_name wa-last_name into wa-full_name SEPARATED BY ''.
APPEND wa TO it.

wa-id = '2'.
wa-first_name = 'Nitai'.
wa-last_name = 'Mondal'.
CONCATENATE wa-first_name wa-last_name into wa-full_name SEPARATED BY ''.
APPEND wa TO it.

wa-id = '3'.
wa-first_name = 'Chirashree'.
wa-last_name = 'Mondal'.
CONCATENATE wa-first_name wa-last_name into wa-full_name SEPARATED BY ''.
APPEND wa TO it.

wa-id = '4'.
wa-first_name = 'Soumyodeep'.
wa-last_name = 'Mondal'.
CONCATENATE wa-first_name wa-last_name into wa-full_name SEPARATED BY ''.
APPEND wa TO it.


LOOP AT it into wa.

  write: / wa-id, wa-first_name, wa-last_name, wa-full_name.

ENDLOOP.