There are several kinds of tokens: identifiers, keywords, literals, operators, and punctuators. White space and comments are not tokens, though they act as separators for tokens.

identifier

keyword

integer-literal

real-literal

character-literal

string-literal

operator-or-punctuator

In This Section:

• 9.4.1: Unicode escape sequences
• 9.4.2: Identifiers
• 9.4.3: Keywords
• 9.4.4: Literals
• 9.4.5: Operators and punctuators