Mega Code Archive
A simple example that uses an Executor
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import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
class SimpExec {
public static void main(String args[]) {
CountDownLatch cdl = new CountDownLatch(5);
CountDownLatch cdl2 = new CountDownLatch(5);
CountDownLatch cdl3 = new CountDownLatch(5);
CountDownLatch cdl4 = new CountDownLatch(5);
ExecutorService es = Executors.newFixedThreadPool(2);
es.execute(new MyThread(cdl, "A"));
es.execute(new MyThread(cdl2, "B"));
es.execute(new MyThread(cdl3, "C"));
es.execute(new MyThread(cdl4, "D"));
try {
cdl.await();
cdl2.await();
cdl3.await();
cdl4.await();
} catch (InterruptedException exc) {
System.out.println(exc);
}
es.shutdown();
}
}
class MyThread implements Runnable {
String name;
CountDownLatch latch;
MyThread(CountDownLatch c, String n) {
latch = c;
name = n;
new Thread(this);
}
public void run() {
for (int i = 0; i < 5; i++) {
latch.countDown();
}
}
}
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