getLoggerReturn an appropriate
Loggerinstance as specified by the
If the name parameter is equal to
Logger.ROOT_LOGGER_NAME, that is the string value "ROOT" (case insensitive), then the root logger of the underlying logging system is returned.
Null-valued name arguments are considered invalid.
Certain extremely simple logging systems, e.g. NOP, may always return the same logger instance regardless of the requested name.
name- the name of the Logger to return
- a Logger instance