org.jscience.util.logging
Interfaces 
LogEntryFormatter
LogExceptionHandler
LogWriter
Classes 
AbstractLogWriter
BinaryFileLog
BinaryLogFormatter
ConsoleLog
DBLineLogFormatter
JDBCLogWriter
JTextComponentLog
Level
LevelFilter
LogEntry
LogFile
Logger
SocketLogListener
SocketWriter
StackTraceFileWriter
StringBufferLog
StringLineFormatter
XMLLogFormatter
XMLWriter
Exceptions 
LogException