General method best_practices

General method best_practices

• 1.
  General Method BestPractices Parag Shah http://www.diycomputerscience.com
• 2.
  Follow Java codingconventions
• 3.
  The method nameshould be clear
• 4.
  Avoid using namesof datatypes in methods Eg: getAccountsArrayList()
• 5.
  Names should beconsistent Eg: Either delete() or remove()
• 6.
  Do not gooverboard in providing convenience methods
• 8.
  Avoid long parameterlists
• 10.
  For parameter types,favor interfaces over classes
• 12.
  Use overloading judiciously
• 14.
  Do not invokenon final public or protected methods from the constructor of a non final class
• 15.
  Avoid returning nullas far as possible. Throw Exception to signify a problem Return an empty list instead of null
• 16.
  A little somethingbefore leaving 5 == x instead of x == 5 “someStr”.equals(x) instead of x.equals(“someStr”)