Описание тега jconsole

Описание тега Вопросы с тегом
A Java debugging aid that redirects any System.{out,err} to a console window.

"Java Console" explains:

Java Console is a simple debugging aid that redirects any System.out and System.err to the console window. It is available for applets running with Java Plug-in and applications running with Java Web Start.

See also How do I enable and view the Java Console?

JConsole may also refer to the eponymous Java Virtual Machine monitoring tool.