Declaring a Logger in an Abstract Class

[Robert Pepersack]

Hi all.

I have an abstract class that has many subclasses.  There are several options:

1.  Declare it in the abstract class using the String name of the abstract 
class.  For example:

    protected static final Logger logger = 
Logger.getLogger("org.happy.Superclass"); // Logger does not have name of 
concrete class.

2.  Declare it in the abstract class using the Class of the abstract 
class.  For example:

    protected final Logger logger = 
Logger.getLogger(getClass().getName()); // Not declared static as book 
suggests.

3.  Declare it in the subclasses using the String name of each subclass.

    protected static final Logger logger = 
Logger.getLogger("org.happy.ConcreteClass");  // Logger for each 
subclass.  Lots of loggers.

4.  Declare it in the subclasses using the Class of each subclass.

    protected final Logger logger = 
Logger.getLogger(getClass().getName()); // Not declared static as book 
suggests.

Which of the above options should I use?

Thanks,

Bob Pepersack

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