How does Background Processing take place in servlets?

1.	How does Background Processing take place in servlets?
Answer» SERVLETS can do more than just persist between the accesses. They can ALSO execute between accesses. A thread that has been started by a servlet can CONTINUE to execute even after the response has been sent. This ability proves most useful for the tasks that are long-running, and WHOSE incremental results should be MADE available to multiple clients. A background thread that has been started in init() performs continuous work. It also performs request-handling threads displaying the current status with doGet().

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