OnJava8-Examples/onjava/DaemonThreadPoolExecutor.java

// onjava/DaemonThreadPoolExecutor.java
package onjava;
import java.util.concurrent.*;

public class DaemonThreadPoolExecutor
extends ThreadPoolExecutor {
  public DaemonThreadPoolExecutor() {
    super(0, Integer.MAX_VALUE, 60L, TimeUnit.SECONDS,
      new SynchronousQueue<>(),
      new DaemonThreadFactory());
  }
}