Difference between revisions of "Keyword"
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=Definition= | =Definition= | ||
| − | A keyword is a reserved word that has an inherent meaning to the compiler and thus cannot be used as an identifier within the language. Keywords often represent a language's possible reference values and statements. They are always written in lowercase, so in case-sensitive languages such as C versions of the same word that are not all lowercase can be used as identifiers. | + | A keyword is a '''reserved word''' that has an inherent meaning to the compiler and thus cannot be used as an identifier within the language. Keywords often represent a language's possible '''reference values''' and '''statements'''. They are always written in '''lowercase''', so in case-sensitive languages such as C versions of the same word that are not all lowercase can be used as identifiers. |
=Examples= | =Examples= | ||
| − | Reference Values: | + | '''Reference Values:''' |
| + | |||
- double | - double | ||
| + | |||
- int | - int | ||
| + | |||
- char | - char | ||
| + | |||
- string | - string | ||
| + | |||
- enum | - enum | ||
| + | |||
- void | - void | ||
| − | Statements: | + | '''Statements:''' |
| − | + | ||
- if / else | - if / else | ||
| + | |||
- for / foreach | - for / foreach | ||
| − | - switch / case / default | + | |
| + | - switch / case / default / break | ||
| + | |||
- do / while | - do / while | ||
| + | |||
- return | - return | ||
=Resources= | =Resources= | ||
== See also == | == See also == | ||
| − | + | - [[Statement]] | |
| − | |||
| − | |||
| − | |||
==External Links== | ==External Links== | ||
Latest revision as of 22:27, 9 April 2020
Definition
A keyword is a reserved word that has an inherent meaning to the compiler and thus cannot be used as an identifier within the language. Keywords often represent a language's possible reference values and statements. They are always written in lowercase, so in case-sensitive languages such as C versions of the same word that are not all lowercase can be used as identifiers.
Examples
Reference Values:
- double
- int
- char
- string
- enum
- void
Statements:
- if / else
- for / foreach
- switch / case / default / break
- do / while
- return
