Java ThreadGroup parentOf() method11 Nov 2024 | 1 min read The parentOf() method of ThreadGroup class tests if the thread group is either the argument of thread group or one of its ancestor thread groups. SyntaxParameterg: It is the thread group ReturnIt returns true if the invoking thread is the parent of group. Otherwise, it returns false. ExampleOutput: Thread-1 starts Thread-2 starts Child thread is the parent of Parent thread: false Parent thread is the parent of Child thread: true Thread-1 completed executing Thread-2 completed executing Next TopicJava-threadgroup-resume-method |
The setDaemon() method of ThreadGroup class tests if the thread group is a daemon thread group. Syntax: public final void setDaemon(boolean daemon) Parameter: daemon: If true, marks the thread group as a daemon thread group; otherwise, marks the thread group as normal. Exception: SecurityException: If the current thread cannot modify the thread...
2 min read
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 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 activeGroupCount() method of ThreadGroup class returns an estimate of the number of active groups in this thread group and its subgroups. The returned value is only an estimate because the number of thread groups may change dynamically while this method traverses internal data structures. Syntax public int...
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The getParent() method of ThreadGroup class returns the parent of the thread group. Syntax: public final ThreadGroup getParent() Return: This method returns the parent of the thread group. Exception: SecurityException: If the current thread cannot modify the thread group. Example class NewThread extends Thread { NewThread(String threadname, ThreadGroup tg) ...
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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 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 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 { ...
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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...
2 min read
The getMaxPriority() method of ThreadGroup class returns the maximum priority of the thread group. Syntax: public final int getMaxPriority() Return: This method returns the maximum priority that a thread in the thread group can have Example class NewThread extends Thread { NewThread(String threadname, ThreadGroup tg) { ...
2 min read
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