Swing Worker Threads Not Concurrent

Question

It seems that when I instantiate 12 Swing Worker threads, the first six starts to complete its task, it finishes AND then the last six starts and finishes. The behavior I\'

Answer 1

The behavior I'm looking for is all 12 threads start working at the same time & finish at the same time.

A CountDownLatch is designed for this very purpose. Here's a good example using a single SwingWorker and a number of subsidiary threads controlled by the latch.