Which two statements are true？（）A、It is possible for more than two threads to deadlock at once.B、The JVM implementation guarantees that multiple threads cannot enter into a deadlocked state.C、Deadlocked threads release once their sleep（） method’s sleep duration has expired.D、Deadlocking can occur only when the wait（）， notify（）， and notifyAll（） methods are used incorrectly.E、It is possible for a single-threaded application to deadlock if synchronized blocks are used incorrectly.F、If a piece of code is capable of deadlocking， you cannot eliminate the possibility ofdeadlocking by insertinginvocations of Thread.yield（）.
Which two statements are true？（）
- A、It is possible for more than two threads to deadlock at once.
- B、The JVM implementation guarantees that multiple threads cannot enter into a deadlocked state.
- C、Deadlocked threads release once their sleep（） method’s sleep duration has expired.
- D、Deadlocking can occur only when the wait（）， notify（）， and notifyAll（） methods are used incorrectly.
- E、It is possible for a single-threaded application to deadlock if synchronized blocks are used incorrectly.
- F、If a piece of code is capable of deadlocking， you cannot eliminate the possibility ofdeadlocking by insertinginvocations of Thread.yield（）.
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Which two statements are true?（）A、It is possible for more than two threads to deadlock at once.B、The JVM implementation guarantees that multiple threads cannot enter into a deadlocked state.C、Deadlocked threads release once their sleep() method's sleep duration has expired.D、Deadlocking can occur only when the wait(), notify(), and notifyAll() methods are used incorrectly.E、It is possible for a single-threaded application to deadlock if synchronized blocks are used incorrectly.F、If a piece of code is capable of deadlocking, you cannot eliminate the possibility of deadlocking by inserting invocations of Thread.yield().
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Your application uses two threads， named threadOne and threadTwo. You need to modify the code to prevent the execution of threadOne until threadTwo completes execution. What should you do？（）A、 Configure threadOne to run at a lower priority.B、 Configure threadTwo to run at a higher priority.C、 Use a WaitCallback delegate to synchronize the threads.D、 Call the Sleep method of threadOne. E、 Call the SpinLock method of threadOne.
Which of the following BEST describes the function of hyperthreading support within a CPU?（）A、Allows the core to create a separate space to process threadsB、Allows the processor to handle multiple threads per coreC、Allows the core to shift to a higher clock speed based on thread countD、Allows the processor to reject certain threads to increase performance
单选题A double male coupling is one that（）.Ahas left hand twistBhas inside threads on both endsChas outside threads on both endsDtakes two men to operate
单选题Which statement is true？（）AA class’s finalize（） method CANNOT be invoked explicitly.Bsuper.finalize（） is called implicitly by any overriding finalize（） method.CThe finalize（） method for a given object is called no more than once by the garbage collector.DThe order in which finalize（） is called on two objects is based on the order in which the two objects became finalizable.
多选题Which two statements are true?（）AIt is possible for more than two threads to deadlock at once.BThe JVM implementation guarantees that multiple threads cannot enter into a deadlocked state.CDeadlocked threads release once their sleep() method's sleep duration has expired.DDeadlocking can occur only when the wait(), notify(), and notifyAll() methods are used incorrectly.EIt is possible for a single-threaded application to deadlock if synchronized blocks are used incorrectly.FIf a piece of code is capable of deadlocking, you cannot eliminate the possibility of deadlocking by inserting invocations of Thread.yield().
多选题Which two statements are true about standard database auditing（）ADDL statements can be audited.BStatements that refer to stand-alone procedure can be audited.COperations by the users logged on as SYSDBA cannot be audited.DOnly one audit record is ever created for a session per audited statement even though it is executedmore than once.
单选题Which of the following best describes Simultaneous Multi-threading （SMT）？（）AA POWER5 microprocessor feature that allocates two processors to each applicationBA Workload Manager feature that allows two processing threads to be executing on a single processorCAn AIX v5.2 feature that allows two processing threads to be executing on a single processor concurrentlyDA POWER5 microprocessor feature that allows two processing threads to be executing on a single processor concurrently
单选题Your application uses two threads， named threadOne and threadTwo. You need to modify the code to prevent the execution of threadOne until threadTwo completes execution. What should you do？（）A Configure threadOne to run at a lower priority.B Configure threadTwo to run at a higher priority.C Use a WaitCallback delegate to synchronize the threads.D Call the Sleep method of threadOne. E Call the SpinLock method of threadOne.