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I have a JavaFX application which instantiates several Task objects. Currently, my implementation (see below) calls the behavior runFactory() which performs computation under a Task object. Parallel to this, nextFunction() is invoked. Is there a way to have nextFunction() "wait" until the prior Task is complete? I understand thread.join() waits until the running thread is complete, but with GUIs, there are additional layers of complexity due to the event dispatch thread. As a matter of fact, adding thread.join() to the end of the code-segment below only ceases UI interaction. If there are any suggestions how to make nextFunction wait until its prior function, runFactory is complete, I'd be very appreciative. Thanks, // High-level class to run the Knuth-Morris-Pratt algorithm. public class AlignmentFactory { public void perform() { KnuthMorrisPrattFactory factory = new KnuthMorrisPrattFactory(); factory.runFactory(); // nextFunction invoked w/out runFactory finishing. // Code to run once runFactory() is complete. nextFunction() // also invokes a Task. ... } } // Implementation of Knuth-Morris-Pratt given a list of words and a sub-string. public class KnuthMorrisPratt { public void runFactory() throws InterruptedException { Thread thread = null; Task<Void> task = new Task<Void>() { @Override public Void call() throws InterruptedException { for (InputSequence seq: getSequences) { KnuthMorrisPratt kmp = new KnuthMorrisPratt(seq, substring); kmp.align(); } return null; } }; thread = new Thread(task); thread.setDaemon(true); thread.start(); } </

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