Java ThreadGroup interrupt() method11 Nov 2024 | 1 min read The interrupt() method of ThreadGroup class is used to interrupt all the threads in the thread group. SyntaxReturnThis method does not return any value. ExceptionSecurityException: This exception throws if the current thread is not allowed to access the thread group or any of the threads in the thread group. ExampleOutput: Thread-1 starts Thread-2 starts Thread-1 interrupted Thread-1 completed executing Thread-2 completed executing Next TopicJava-threadgroup-isdaemon-method |
The getName() method of ThreadGroup class returns the name of this thread group. Syntax public final String getName() Return This method returns the name of thread group. Example class NewThread extends Thread { NewThread(String threadname, ThreadGroup tg) { ...
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The activeCount() method of ThreadGroup class determines if the currently running thread has permission to modify the thread group. Syntax public final void checkAccess() Return It doesn't return any value. Exception SecurityException: This exception throws if the current thread is not allowed to access the thread group. Example class NewThread extends Thread { ...
2 min read
The destroy() method of ThreadGroup class is used to destroy the thread group and all of its subgroups. The thread group must be empty, indicating that all threads that had been in the thread group have since stopped. Syntax: public void destroy() Return: It doesn't return any value. Exception: IllegalThreadStateException: This exception...
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The activeCount() method of ThreadGroup class is used to return the number of active threads in the current thread's thread group. The returned value is only an estimate because the number of threads may change dynamically while this method traverses internal data structures. Syntax public static int activeCount() Return It...
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The toString() method of ThreadGroup class returns a string representation of the Thread group. Syntax public String toString() Return It returns the string representation of the thread group. Example class NewThread extends Thread { NewThread(String threadname, ThreadGroup tg) { ...
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The suspend() method of ThreadGroup class is used to suspend all threads in the thread group. Syntax public final void suspend() Return This method does not return any value. Exception SecurityException: This exception throws if the current thread is not allowed to access the thread group or any of the threads...
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The isDaemon() method of ThreadGroup class tests if this thread group is a daemon thread group. Syntax public final boolean isDaemon() Return This method returns true if this thread group is a daemon thread group. Otherwise, it will return false. Example class NewThread extends Thread { NewThread(String threadname,...
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The resume() method of ThreadGroup class is used to resume all threads in the thread group which was suspended using suspend() method. Syntax public final void resume() Return public final void resume() Exception SecurityException: This exception throws if the current thread is not allowed to access the thread group or any of...
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The setMaxPriority() method of ThreadGroup class is used to set the maximum priority of the group. Syntax public final void setMaxPriority(int pri) Parameter pri: It is the new priority of the thread group. Example class NewThread extends Thread { NewThread(String threadname, ThreadGroup tgob) { ...
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The enumerate() method of ThreadGroup class is used to copy every active thread's thread group and its subgroup into the specified array. This method calls the enumerate method with the tarray argument. Syntax public int enumerate(Thread[] tarray) Parameter tarray: It is an array of Thread objects to copy to. Return This...
3 min read
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