What is "swingworker"

SwingWorker is a popular utility class developed by Sun Microsystems for the Swing library of the Java programming language. enables proper use of the event dispatching thread. As of Java 6, is included in the JRE.

Several incompatible, unofficial, versions of SwingWorker were produced from 1998 to 2006, and care must be taken to avoid the abundant documentation on these versions predating Java 6.