Turning an ExecutorService to daemon in Java

Question

I am using an ExecutoreService in Java 1.6, started simply by

ExecutorService pool = Executors.newFixedThreadPool(THREADS). 

When my main

Answer 1

I would use Guava's ThreadFactoryBuilder class.

ExecutorService threadPool = Executors.newFixedThreadPool(THREADS, new ThreadFactoryBuilder().setDaemon(true).build());

If you're not already using Guava, I'd go with a ThreadFactory subclass like described at the top of Pshemo's answer