Answer / ashwini

stop : The statement STOP is only to be used in executable
programs and in the following event blocks:

AT SELECTION-SCREEN (without additions)

START-OF-SELECTION

GET

You leave these event blocks via STOP, and the runtime
environment triggers the event END-OF-SELECTION.

CONTINUE : The CONTINUE statement can only be used in
loops. If it is used, the current loop pass is ended
immediately and the program flow is continued with the next
loop pass.

CHECK : If the statement CHECK is executed in a loop and
log_exp is incorrect, the statement CHECK immediately
terminates the current loop pass and the program continues
with the next loop pass. For log_exp, you can specify any
logical expression.

Note
Outside a loop, the statement CHECK exits the current
processing block

EXIT ; If the EXIT statement is listed within a loop, it
leaves the loop by ending the current loop process. Program
execution is continued after the closing statement in the
loop.

Note
Outside of a loop, the EXIT statement leaves the current
processing block.

AT EXIT-COMMAND : it is used in module pool programming to
leave the screen without entering madatory fields.it is the
1st module in pai.

Answer / rajesh

One main thing to understand about continue and check
commands is :
Inside a loop, CHECK exactly works as CONTINUE but with a
logical/conditional expression. Below is the syntax

In a loop
- stmt -
- stmt -
CHECK <log-exp> .
- stmt -
- stmt -
endloop.

If the logical expression is TRUE, it immediately terminates
that particular loop pass and resumes with the next loop
pass. If it is FALSE, nothing happens, it just ignores and
continues with the next stmt.

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