ExecutorService

• ExecutorService maintains thread pool

• Executors.newCachedThreadPool()

• Executors.newFixedThreadPool()

• Execute(), submit(), invokeAny(), invokeAll()

• Runnable VS Callable

• Future.get(*time), Future.isDone(), Future.cancel()

• Executor.shutdown()

http://tutorials.jenkov.com/java-util-concurrent/executorservice.html

2. Task Delegation

A thread delegating a task to an ExecutorService for asynchronous execution.