Java Naming Convention

Java Naming Convention

Naming Convention Oracle documentation:

Thinks to name in Java are:

• Classes
• CamelCase
• Class names should be nouns - they represent things 
• Start with capital letter e.g. MyNewClass
• ArrayList
• LinkedList
• String
• TopSong
• Main
• Variables
• mixedCase
• start with lower case
• Meaningful and indicative 
• Packages
• low case
• unique
• internet domain name - reversed as a prefix

Examples:

Invalid

Switch.supplier.com 

Valid

com.supplier._switch

• Methods
• mixedCase
• Often verbs
• Reflect the function
• size()
• getName()
• addPlayer()
• Constants
• represent constants values
• ALL_UPPER_CASE
• MAX_INT
• SEVERITY_ERROR
• P1 = = 3,141592653
• Type Parameters
• single character, capital letters
• E-Element
• T-Type
• V-Value
• 
  
• Interfaces