Science Fair Project Encyclopedia
Statement (programming)
A statement is the minimal unit of structuring in imperative programming languages.
The following are the major generic kinds of statements with examples in Pascal, a typical imperative language:
- definition:
TYPE SALARY = INTEGER - declaration:
VAR A:INTEGER - assignment:
A := A + 1 - sequence:
A := A + 1; WRITELN(A) - conditional:
IF A > 3 THEN WRITELN(A) ELSE WRITELN("NOT YET") END - loop:
FOR A:=1 TO 10 DO WRITELN(A) END - call:
CLEARSCREEN()
Statements contrast with expressions in that the former do not return results and are executed solely for their side effects, while the latter always return a result and often do not have side effects at all.
In block-structured programming languages, statements are grouped into statement blocks.
Last updated: 05-08-2005 13:14:01
10-26-2009 08:16:03
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details