What does InterruptedException mean?
An InterruptedException is thrown when a thread is interrupted while it’s waiting, sleeping, or otherwise occupied. In other words, some code has called the interrupt() method on our thread. It’s a checked exception, and many blocking operations in Java can throw it.
How do you get InterruptedException?
The catch of the InterruptedException should call Thread. currentThread()….
- Propagate the InterruptedException – Declare your method to throw the checked InterruptedException so that your caller has to deal with it.
- Restore the Interrupt – Sometimes you cannot throw InterruptedException .
Why do we get InterruptedException?
Class InterruptedException. Thrown when a thread is waiting, sleeping, or otherwise occupied, and the thread is interrupted, either before or during the activity. Occasionally a method may wish to test whether the current thread has been interrupted, and if so, to immediately throw this exception.
Why sleep method throws InterruptedException?
sleep() method throws InterruptedException if a thread in sleep is interrupted by other threads. InterruptedException is a checked type of exception. That means, “Thread. sleep()” statement must be enclosed within try-catch blocks or it must be specified with throws clause.
Is thread sleep safe?
Thread. sleep is bad! It blocks the current thread and renders it unusable for further work.
What can I use instead of thread sleep?
The three options that I can think of off the top of my head are :
- System. Threading. Timer (More…)
- Monitor. Wait (More…)
- System. Timers. Timer (More…)
Should I use thread sleep?
One of the way to achieve synchronization, implement wait is by calling Thread. sleep() function however, it is not recommended because this is not very stable and unreliable. The time has to be specified in milliseconds.
Is FileNotFoundException a RunTimeException?
FileNotFoundException occurs at runtime so it is a checked exception, we can handle this exception by java code, and we have to take care of the code so that this exception doesn’t occur.
What is Java InterruptedException?
Java InterruptedException Introduction to Java InterruptedException InterruptedException occurs when a thread might be sleeping, waiting, or is occupied and interrupted before or at the time of some activity being executed. Sometimes a method might want to test whether a current thread has been interrupted or not.
Why is InterruptedException a checked exception?
That’s why InterruptedException is a checked exception. Its design tells you that if you want to pause for a few milliseconds, make your code interruption-ready. This is how it looks in practice: Well, you could let it float up to a higher level, where they will be responsible for catching it.
How to handle interruptions in my code?
If your code is slow and may take seconds to execute, make it explicit and handle interruptions somehow. That’s why InterruptedException is a checked exception. Its design tells you that if you want to pause for a few milliseconds, make your code interruption-ready. This is how it looks in practice:
What happens when a thread throws an InterruptedException?
Thus, once InterruptedException is thrown, the flag is reset. The thread no longer knows anything about the interruption request sent by the owner. The owner of the thread asked us to stop, Thread.sleep () detected that request, removed it, and threw InterruptedException.