问题
From the documentation for SecondaryLoop, it is not clear when you should use this new feature instead of a SwingWorker, a few examples of interesting cases would be useful.
回答1:
The intent of SecondaryLoop is basically the same as SwingWorker. However, using SecondaryLoop can be less hairy than chaining together multiple SwingWorkers.
Take a look at Hidden Java 7 Features – SecondaryLoop for a detailed explanation & example.
来源：https://stackoverflow.com/questions/10196809/secondaryloop-instead-of-swingworker