Oracle Certificaiton and Exams

Thread Priorities Threads are assigned priorities that the thread scheduler can use to determine how the threads will be scheduled…. Read more

Thread Scheduler Schedulers in JVM implementations usually employ one of the following two strategies, which come into play in the… Read more

Creating Temporary Directories Analogous to temporary files, temporary directories can be created by the create-TempDirectory() methods of the Files class…. Read more

Executing Synchronized Code Threads share the same memory space—that is, they can share resources. However, there are critical situations where… Read more

Synchronized Methods If the methods of an object should only be executed by one thread at a time, then the… Read more

Reentrant Synchronization While a thread is inside a synchronized method of an object, all other threads that wish to execute… Read more

Reading Text Lines Using a Functional Stream The lines() method of the Files class creates a stream that can be… Read more

Synchronized Statements Whereas execution of synchronized methods of an object is synchronized on the lock of the object, the synchronized… Read more

Interrupt Handling The purpose of interrupts is to allow threads to inform each other when the task they are running… Read more

Sleeping and Waking Up Transitions by a thread that is sleeping and waking up are illustrated in Figure 22.8. A… Read more