Search notes:

SQL Developer: Help -> About -> Properties

Some interesting properties that are listed (imho):
ide.conf sqldeveloper.conf path?
ide.config_path sqldeveloper.conf path?
ide.extension.search.path
ide.pref.dir
idepref.dir.base
ide.startingArg0
ide.startingcwd
ide.system.dir
ide.user.dir
ide.user.dir.var Default value being SQLDEVELOPER_USER_DIR? (see also user information directory).
ide.work.dir
ide.work.dir.base
java.class.path
java.home
oracle.ide.startup.features For example: sqldeveloper
oracle.jdbc.mapDateToTimestamp
oracle.jdbc.Trace
oracle.jdbc.useFetchSizeWithLongColumn
path.separator Whose default value seems to be ;
sqldev.debug
sqldeveloper.oci.available
tool.user.conf sqldeveloper.conf path?
user.conf Path to product.conf ?
user.dir
user.home
user.script

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