腾讯云后端 15 连问

Posted 2022-03-30 ImportNew

< > mayInterruptIfRunning); InterruptedException, ExecutionException; timeout, TimeUnit unit) InterruptedException, ExecutionException, TimeoutException;NEW = COMPLETING = NORMAL = EXCEPTIONAL = CANCELLED = INTERRUPTING = INTERRUPTED = (state != NEW || !UNSAFE.compareAndSwapObject( Callable < V > c = callable; (c != && state == NEW) V result; boolean ran; result = c.call(); ran = (Throwable ex) result = ran = setException(ex); (ran) runner = s = state; (s >= INTERRUPTING) handlePossibleCancellationInterrupt(s); InterruptedException, ExecutionException s = state; (s <= COMPLETING) s = awaitDone(L); report(s);timed, nanos)InterruptedException deadline = timed ? System.nanoTime() + nanos : L; WaitNode q = queued = (;;) (Thread.interrupted()) removeWaiter(q); InterruptedException(); s = state; (s > COMPLETING) (q != q.thread = s; (s == COMPLETING) Thread.yield(); (q == q = WaitNode(); (!queued) queued = UNSAFE.compareAndSwapObject( q.next = waiters, q); (timed) nanos = deadline - System.nanoTime(); (nanos <= L) removeWaiter(q); state; LockSupport.parkNanos( LockSupport.park( * Temployee age= < < >> threeSum(int[] nums) < < >> result = new < > (); (nums == null || nums.length < result; (int i = (nums[i] > (i > && nums[i] == nums[i - int = i + int = nums.length - int target = -nums[i]; (< (nums[ result.add( (< && nums[- (< && nums[+ (nums[ result;