• system.out.println()
    • not efficient
  •  log4j
    • framework
    • easy to control
      • all /, debug, info, warn, error, fatal
    • component
      • logger
      • appender
      • layout
  • Verbose logging
    • is a computer logging mode that records more information than the usual logging mode. (Verbose means “using more words than necessary”.)
    • Verbose logging options are usually enabled specifically for troubleshooting because they create large log files and can slow down performance
This entry was posted in Knowledge. Bookmark the permalink.

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s