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Notes-Naming Convention

CamelCase Convention
  • use the camelCase convention for every identifier name you create.
  • What is the camelCase convention?
    • the words are joined together -- no spaces between the words
    • each word after the first begins with an uppercase letter
    • Examples:  isVisible, firstName, getFirstName, setFinalMark 
Length of identifiers
  • should be short yet meaningful -- names should not be overly long
  • abbreviations should be avoided
  • all identifiers must start with a letter
  • avoid special characters -- use letters and numbers only
Naming Variables, Fields -- Attributes 
  • begin with a lowercase letter
  • use camelCase convention, except with CONSTANTS
  • variable name should describe the data that they hold
  • one character names can be used for temporary throwaway variables. i,j,k,l for integers, c, d and e for characters
Constants
  • type in all uppercase letters
  • use the underscore to deliminate words. i.e. MAX_NUMBER
  • constants once set never change
Naming Methods, Procedures and Functions -- Actions
  • use a verb 
  • use "set", "get" and "is" as a preface to method names to indicate the type of action performed on a specific attribute
  • method name should describe the action that the method will perform
  • start with a lower case letter, except the constructor method, 
  • in Java, the constructor method starts with a upper case letter
  • in Java, a constructor method MUST have the same name as the class.
Naming Classes
  • begin with an uppercase letter
  • use nouns that are simple and descriptive
  • use the whole word, avoid abbreviation unless the abbreviation is commonly used min, max, URL
Naming GUI elements

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