package jerry;

import java.util.concurrent.CountDownLatch
import java.util.concurrent.TimeUnit

CountDownLatch called = new CountDownLatch(1)
println "main thread id: " + Thread.currentThread().getId();

Timer timer = new Timer()
timer.schedule(new TimerTask() {
    void run() {
        println "call countDown in another thread: " + Thread.currentThread().getId();
        called.countDown()
    }
}, 220)

println "before calling called.await in main thread: " + Thread.currentThread().getId();
called.await(10, TimeUnit.SECONDS)
println "after calling called.await in main thread: " + Thread.currentThread().getId();