THINK++ — Engineering Visualized

Lexical Elements

Keywords & Identifiers

Keywords are reserved words with special meaning. Identifiers are names you give to variables, functions, and classes.

Data Types

intfloatdoublecharboolvoidauto

Control Flow

ifelseswitchcaseforwhiledo

Functions

returninlinevirtualfriendconst

OOP

classstructpublicprivateprotected

Memory

newdeletesizeofstaticextern

Identifier Rules

✓Can contain letters, digits, underscoresmyVar_2

✓Must begin with letter or underscore_count

✗Cannot start with a digit2ndValue

✗Cannot be a keywordint return = 5;

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