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Java / log4j

Advantages of using log4j framework.

  • Thread safe.
  • Optimized for performance.
  • Supports more than one appender per logger.
  • Extensible.
  • Logging behavior is specified in a configuration file loaded during runtime.
  • Supports different logging levels such as WARN, INFO, and ERROR.
  • The logging format can be easily changed my altering the Layout class or by extending it.
  • The destination and the log writing strategy can be altered by implementing Appender interface.

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