SelfTimerTask task = new SelfTimerTask(runnable,time); synchronized (locker){ queue.offer(task); locker.notify(); } } public SelfTimer(){ Thread thread = new Thread(()->{ while (true){ synchronized (locker){ while (queue.isEmpty()){ try { locker.wait(); } catch (InterruptedException...
DCL 进行两次 instance 的判断,而且利用了关键字 synchronized 。 试想当多个线程同时调用 getInstance 时,可能会存在同时判断 instance 为空的状况。 但由于 synchronized 关键字的存在,同一个时刻只能一个线程进入代码同步区域,其它线程会被阻塞。 被阻塞的线程从新得到进入代码临界区时,再次判断 instance 就行了。 ...
Rate this version About With backing vocals (with or without vocals in the KFN version) Tempo: variable (around 141 BPM) In the same key as the original: G Duration:03:37- Preview at:02:10 Release date:2005 Genres:Soft Rock,In English ...
Rate this version About With backing vocals (with or without vocals in the KFN version) Tempo: variable (around 141 BPM) In the same key as the original: G Duration:03:37- Preview at:02:10 Release date:2005 Genres:Soft Rock,In English ...
= null private val retrofitHashMap = HashMap<String, Retrofit?>() private val instance: NetWorkUtil? get() { if (sInstance == null) { synchronized(NetWorkUtil::class.java) { if (sInstance == null) { sInstance = NetWorkUtil } } } return sInsta ...
synchronized(this) { if (!isRead) { cacheValue = read(param) isRead = true } } return cacheValue } protected abstract fun read(param: P): T } } 334 changes: 334 additions & 0 deletions 334 statusbar/src/main/java/wenju/little/util/statusbar/DisplayUtils.kt Show comments ...
KT-70169 K2: implement a deprecation error for Synchronized, Throws, JvmField on annotation parameters KT-67651 K2: inconsistency in behavior for SAM constructor with flexible type KT-63857 K2: Extra operator modifier in metadata KT-70182 K2: Set up isOperator flag according to operator naming co...
Measurement: Normal size, and the height is adjustable and it can be Synchronized tilting and it have five-shift lock. Main materials: a, Seat: High quality genuine leather or high quality PU leather, high density cut sponges, the form density is 0.039...
Steps: Turn on the step switch in the app, when pedometer is working steps data will be synchronized. Gallery: support store 400pcs latest images in device. Other featured functions: 3 alarms can be set on APP / Healthy recording / low battery alarm / history track record & playback / ...
GPINT12 GPIO event 12 53 GPINT13 GPIO event 13 54 GPINT14 GPIO event 14 55 GPINT15 GPIO event 15 56−63 – None † In addition to the events shown in this table, each of the 64 channels can also be synchronized with the transfer completion or alternate transfer completion events....