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synchronized (this) { if (!condition) { wait(timeout); } doStuffAssumingConditionIsTrueOrTimeoutHasOccurred();} 虚假唤醒会导致doStuffAssumingConditionIsTrueOrTimeoutHasOccurred()方法在条件仍然为false且还没有超时时被执行。 应该这样写: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 synchronized ...
Oracle Java 是第一大编程语言和开发平台。它有助于企业降低成本、缩短开发周期、推动创新以及改善应用程序服务。Java 现在仍是企业和开发人员的首选开发平台。 用于运行桌面应用程序的 Java 面向使用台式机和笔记本电脑的最终用户 下载适用于台式机的 Java
importjava.util.concurrent.locks.Condition;importjava.util.concurrent.locks.Lock;importjava.util.concurrent.locks.ReentrantLock;classBoundedBuffer{final Lock lock=newReentrantLock();// condition 依赖于 lock 来产生final Condition notFull=lock.newCondition();final Condition notEmpty=lock.newCondition();final...
* In all cases, before this method can return the current thread must * re-acquire the lock associated with this condition. When the * thread returns it is guaranteed to hold this lock. * * If the current thread's interrupted status is set when it enters * this method, or it...
The usual well-known example is that of the producer/consumer, because the producer should wait for the consumer if the consumer’s queue is full, and the consumer should wait for the producer when empty. This requirement can be addressed through shared state and condition queues, but you ...
In order to determine if a release is the latest, the Security Baseline page can be used to determine which is the latest version for each release family. Critical patch updates, which contain security vulnerability fixes, are announced one year in advance on Critical Patch Updates, Security ...
// and is started higher up in the call chainassert(state==INITIALIZED,"race condition");return...
getStateTreeRoot( ) Returns an existing root node of a state tree or creates a new one. isAuthorized( ) Checks a user's permission level to a specified action or AppLogic. isCached( ) Returns true if AppLogic results are being saved in the result cache. loadHierQuery( ) Creates a ...
7. How do youhandle errorcondition while writing stored procedure or accessing stored procedure from java? This is one of the tough Java interview question and its open for all, my friend didn't knowthe answer so he didn't mind telling me. my take is that stored procedure should return ...