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Programming Style: Case Convention

• variables, fields and methods:
  start with lowercase, use caps for new words:
  

  name
  
  sayHello
  

• Classes:
  start with uppercase, use caps for new words:
  

  Greeter
  
  ArrayList
  

• Constants:
  use all caps, underscores to separate words
  

  PI
  
  MAX_VALUE
  

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