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  2. Reserved word - Wikipedia

    en.wikipedia.org/wiki/Reserved_word

    In a programming language, a reserved word (sometimes known as a reserved identifier) is a word that cannot be used by a programmer as an identifier, such as the name of a variable, function, or label – it is "reserved from use".

  3. Identifier - Wikipedia

    en.wikipedia.org/wiki/Identifier

    Registration plates are used to display identifiers for motor vehicles.. An identifier is a name that identifies (that is, labels the identity of) either a unique object or a unique class of objects, where the "object" or class may be an idea, person, physical countable object (or class thereof), or physical noncountable substance (or class thereof).

  4. List of Java keywords - Wikipedia

    en.wikipedia.org/wiki/List_of_Java_keywords

    In the Java programming language, a keyword is any one of 68 reserved words [1] that have a predefined meaning in the language. Because of this, programmers cannot use keywords in some contexts, such as names for variables, methods, classes, or as any other identifier. [2]

  5. Identifier (computer languages) - Wikipedia

    en.wikipedia.org/wiki/Identifier_(computer...

    In computer programming languages, an identifier is a lexical token (also called a symbol, but not to be confused with the symbol primitive data type) that names the language's entities. Some of the kinds of entities an identifier might denote include variables , data types , labels , subroutines , and modules .

  6. Naming convention (programming) - Wikipedia

    en.wikipedia.org/wiki/Naming_convention...

    By convention, this prefix is only used in cases when the identifier would otherwise be either a reserved keyword (such as for and while), which may not be used as an identifier without the prefix, or a contextual keyword (such as from and where), in which cases the prefix is not strictly required (at least not at its declaration; for example ...

  7. C Sharp syntax - Wikipedia

    en.wikipedia.org/wiki/C_Sharp_syntax

    If an identifier is needed which would be the same as a reserved keyword, it may be prefixed by an at sign to distinguish it. For example, @out is interpreted as an identifier, whereas out as a keyword. This syntax facilitates reuse of .NET code written in other languages. [4] The following C# keywords are reserved words: [2]

  8. Universally unique identifier - Wikipedia

    en.wikipedia.org/wiki/Universally_unique_identifier

    A Universally Unique Identifier (UUID) is a 128-bit label used to uniquely identify objects in computer systems. ... Reserved for future definition

  9. Reserved identifier - Wikipedia

    en.wikipedia.org/?title=Reserved_identifier&...

    Pages for logged out editors learn more. Contributions; Talk; Reserved identifier