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Check in criterias

A developer is not allowed to check in any code that does not fulfill all the below given criterias:

Unit Tests

  • All new features added to the system must have a unit test suite.
  • The developer has to ensure that the code written has tests for everything that could possibly break (well, as long as it is practical).


  • JavaDoc has to be written for all methods, fields and classes.
  • The JavaDoc has to be thought through and should describe the purpose and responsibility of the method, field or class.
  • All method parameters should be described
  • All classes must have a copyright notice at the top and author tags on the format @author <a href="">Donald Duck</a>


  • All new features must be well documented in the Maven XDoc format and put in the CVS.

Code convention

  • indentation must be four spaces (no tabs)
  • Member variables should always be prefixed with m_
  • Static variables should always be prefixed with s_
  • Constants should always be in uppercase and use underscores: THIS_IS_A_CONSTANT
  • no lines should be longer than 120 characters
  • wildcards are NOT allowed in package imports and the imports should be logically grouped
  • invocations to static methods should always be prefixed with their class, e.g. MyClass.myStaticMethod
  • grouping of fields and methods in a class should be in the following order (top down):
  • constants
  • static fields
  • member fields
  • public static methods
  • public member methods
  • protected static methods
  • protected member methods
  • etc.
  • inner classes
  • try write self-documenting code by giving the classes, methods and fields descriptive names (even if it makes them long), when this is not sufficient use comments
  • use curly braces for single statements (except for assertions):
  • opening curly braces should not be on a newline:
  • opening curly braces are always followed by a newline, e.g. f.e. don't write:
  • else, catch and finally statements should not start on a new line:
  • spaces should be used as in the code sample given:
  • never use this (this.<field>) when referencing member fields, instead use prefixes (s_ and m_)
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