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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".
Keywords are predefined reserved words with special syntactic meaning. [2] The language has two types of keyword — contextual and reserved. The reserved keywords such as false or byte may only be used as keywords. The contextual keywords such as where or from are only treated as keywords in certain situations. [3]
BASIC (Beginners' All-purpose Symbolic Instruction Code) [1] is a family of general-purpose, high-level programming languages designed for ease of use. The original version was created by John G. Kemeny and Thomas E. Kurtz at Dartmouth College in 1963.
A programming language is a set of keywords, symbols, identifiers, and rules by which programmers can communicate instructions to the computer. [41] They follow a set of rules called a syntax. [41] Keywords are reserved words to form declarations and statements. Symbols are characters to form operations, assignments, control flow, and delimiters.
A snippet of C code which prints "Hello, World!". The syntax of the C programming language is the set of rules governing writing of software in C. It is designed to allow for programs that are extremely terse, have a close relationship with the resulting object code, and yet provide relatively high-level data abstraction.
Microsoft's simplified variant of BASIC, it is designed to help students who have learnt visual programming languages such as Scratch learn text-based programming. [8] The associated IDE provides a simplified programming environment with functionality such as syntax highlighting, intelligent code completion, and in-editor documentation access. [9]
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It is a follow-on and a significant extension of the Rexx programming language (often called "Classic Rexx"), retaining all the features and syntax while adding full object-oriented programming (OOP) capabilities and other new enhancements. Following its Classic Rexx influence, ooRexx is designed to be easy to learn, use, and maintain.