Skip to main content

if then else statement

if then else statement The most basic conditional construct in a programming language, allowing selection between two alternatives, dependent on the truth or falsity of a given condition. Most languages also provide an if … then construct to allow conditional execution of a single statement or group of statements. Primitive languages, such as Basic in its original form, restrict the facility to a conditional transfer of control, e.g.

“IF A = 0 THEN 330”

which is reminiscent of the conditional jump provided in the order code of every CPU. See also conditional.

Cite this article
Pick a style below, and copy the text for your bibliography.

  • MLA
  • Chicago
  • APA

"if then else statement." A Dictionary of Computing. . Encyclopedia.com. 11 Dec. 2018 <https://www.encyclopedia.com>.

"if then else statement." A Dictionary of Computing. . Encyclopedia.com. (December 11, 2018). https://www.encyclopedia.com/computing/dictionaries-thesauruses-pictures-and-press-releases/if-then-else-statement

"if then else statement." A Dictionary of Computing. . Retrieved December 11, 2018 from Encyclopedia.com: https://www.encyclopedia.com/computing/dictionaries-thesauruses-pictures-and-press-releases/if-then-else-statement

Learn more about citation styles

Citation styles

Encyclopedia.com gives you the ability to cite reference entries and articles according to common styles from the Modern Language Association (MLA), The Chicago Manual of Style, and the American Psychological Association (APA).

Within the “Cite this article” tool, pick a style to see how all available information looks when formatted according to that style. Then, copy and paste the text into your bibliography or works cited list.

Because each style has its own formatting nuances that evolve over time and not all information is available for every reference entry or article, Encyclopedia.com cannot guarantee each citation it generates. Therefore, it’s best to use Encyclopedia.com citations as a starting point before checking the style against your school or publication’s requirements and the most-recent information available at these sites:

Modern Language Association

http://www.mla.org/style

The Chicago Manual of Style

http://www.chicagomanualofstyle.org/tools_citationguide.html

American Psychological Association

http://apastyle.apa.org/

Notes:
  • Most online reference entries and articles do not have page numbers. Therefore, that information is unavailable for most Encyclopedia.com content. However, the date of retrieval is often important. Refer to each style’s convention regarding the best way to format page numbers and retrieval dates.
  • In addition to the MLA, Chicago, and APA styles, your school, university, publication, or institution may have its own requirements for citations. Therefore, be sure to refer to those guidelines when editing your bibliography or works cited list.