Method startAndJoin

ij/src/main/java/ij/util/ThreadUtil.java:11–24

Start all given threads and wait on each of them until all are done. From Stephan Preibisch's Multithreading.java class. See: http://repo.or.cz/w/trakem2.git?a=blob;f=mpi/fruitfly/general/MultiThreading.java;hb=HEAD @param threads

(Thread[] threads)

	 * @param threads 
	 */
	public static void startAndJoin(Thread[] threads) {
		for (int ithread = 0; ithread < threads.length; ++ithread) {
			threads[ithread].setPriority(Thread.NORM_PRIORITY);
			threads[ithread].start();
		}

		try {
			for (int ithread = 0; ithread < threads.length; ++ithread) {
				threads[ithread].join();
			}
		} catch (InterruptedException ie) {
			throw new RuntimeException(ie);
		}
	}

	public static Thread[] createThreadArray(int nb) {
		if (nb == 0) {