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The Java Developers Almanac 1.4Order this book from Amazon. |
e94. Determining When a Thread Has FinishedThis example demonstrates a few ways to determine whether or not a thread has returned from itsrun() method.
// Create and start a thread Thread thread = new MyThread(); thread.start(); // Check if the thread has finished in a non-blocking way if (thread.isAlive()) { // Thread has not finished } else { // Finished } // Wait for the thread to finish but don't wait longer than a // specified time long delayMillis = 5000; // 5 seconds try { thread.join(delayMillis); if (thread.isAlive()) { // Timeout occurred; thread has not finished } else { // Finished } } catch (InterruptedException e) { // Thread was interrupted } // Wait indefinitely for the thread to finish try { thread.join(); // Finished } catch (InterruptedException e) { // Thread was interrupted }
e93. Stopping a Thread e95. Pausing the Current Thread e96. Pausing a Thread e97. Determining If the Current Thread Is Holding a Synchronized Lock e98. Allowing an Application with Live Threads to Exit e99. Listing All Running Threads e100. Using a Thread-Local Variable e101. Getting the Stack Trace of an Exception e102. Implementing a Work Queue
© 2002 Addison-Wesley. |