How to keep a method running continuously in background until the program ends?

Question

I want to know, how to keep a method running in the background. ie. this method starts when the program starts and keeps executing its statements until the program is closed

Answer 1

"SWING isn't thread safe" as you may have seen in may of the Java Docs.

Best way is to use a SwingWorker class. It provides functionality for calculation of results or performance of tasks that have long execution times.