Friday, April 22, 2011

Identifier in java

  1. Identifiers are names of variables, functions, classes etc. The name used as an identifier must follow the following rules in JavaTM technology.

    • Each character is either a digit, letter, underscore(_) or currency symbol ($,¢, £ or ¥)
    • First character cannot be a digit.
    • The identifier name must not be a reserved word. 
Unicode characters above hex 00C0 are allowed as well. Java styling uses initial capital letter on object identifiers, uppercase for constant ids and lowercase for property, method and variable ids.

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