Best answer: What is the use of join method in Java?

Join method in Java allows one thread to wait until another thread completes its execution. In simpler words, it means it waits for the other thread to die. It has a void type and throws InterruptedException.

What is the use of join method?

Importance of join() method in Java? A join() is a final method of Thread class and it can be used to join the start of a thread’s execution to the end of another thread’s execution so that a thread will not start running until another thread has ended.

What is the use of join method in multithreading?

Join is a synchronization method that blocks the calling thread (that is, the thread that calls the method) until the thread whose Join method is called has completed. Use this method to ensure that a thread has been terminated.

What is join method?

The join() method waits for a thread to die. In other words, it causes the currently running threads to stop executing until the thread it joins with completes its task.

What is the use of join () and yield () in thread?

yield() basically means that the thread is not doing anything particularly important and if any other threads or processes need to be run, they should run. Otherwise, the current thread will continue to run. Use of yield method: Whenever a thread calls java.

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Is Alive method in Java?

Java Thread isAlive() method



The isAlive() method of thread class tests if the thread is alive. A thread is considered alive when the start() method of thread class has been called and the thread is not yet dead. This method returns true if the thread is still running and not finished.

What is difference between sleep and wait in Java?

It tells the calling thread (a.k.a Current Thread) to wait until another thread invoke’s the notify() or notifyAll() method for this object, The thread waits until it reobtains the ownership of the monitor and Resume’s Execution.



Difference between wait and sleep in Java.

Wait() Sleep()
Wait() is not a static method. Sleep() is a static method.

What is string join in Java?

The java string join() method returns a string joined with given delimiter. In string join method, delimiter is copied for each elements. In case of null element, “null” is added. The join() method is included in java string since JDK 1.8. There are two types of join() methods in java string.

What is deadlock in Java?

Deadlock describes a situation where two or more threads are blocked forever, waiting for each other. … A Java multithreaded program may suffer from the deadlock condition because the synchronized keyword causes the executing thread to block while waiting for the lock, or monitor, associated with the specified object.

What is join () in Python?

join() function in Python



The join() method is a string method and returns a string in which the elements of sequence have been joined by str separator. Syntax: … join(iterable) string_name: It is the name of string in which joined elements of iterable will be stored.

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How do you join a list?

The join() method provides a flexible way to create strings from iterable objects. It joins each element of an iterable (such as list, string, and tuple) by a string separator (the string on which the join() method is called) and returns the concatenated string.

Is alive and join in Java?

isAlive() and join() methods of Thread Class in Java. How can one thread know when another thread has ended? isAlive() : It tests if this thread is alive. A thread is alive if it has been started and has not yet died.

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