question: get a default java.util.concurrent.threadfactory . concode_field_sep TimeUnit EXECUTOR_SERVICE_SHUTDOWN_TIMEOUT_TIMEUNIT concode_elem_sep ThreadFactory DEFAULT_THREAD_FACTORY concode_elem_sep long EXECUTOR_SERVICE_SHUTDOWN_TIMEOUT concode_field_sep List<T> parallelize concode_elem_sep ThreadFactory newThreadFactory concode_elem_sep ThreadFactory newThreadFactory concode_elem_sep ThreadFactory newThreadFactory concode_elem_sep ThreadFactory newDaemonThreadFactory concode_elem_sep void shutdownExecutorService concode_elem_sep void shutdownExecutorService
target: ThreadFactory function ( ) { return DEFAULT_THREAD_FACTORY ; }