How many times does the following application print W at runtime? A. 0 B. 10 C. 12
Question:
How many times does the following application print W at runtime?
A. 0
B. 10
C. 12
D. The code does not compile.
E. The output cannot be determined ahead of time.
F. None of the above.
Transcribed Image Text:
package crew; import java.util.concurrent.*; import java.util.stream.*; public class Boat { private void waitTillFinished (Cyclic Barrier c) { try { c.await (); System.out.print("W"); } catch (Exception e) {} } public void row (Executor Service s) { var cb = new CyclicBarrier (5); IntStream.iterate(1, i-> +1) .limit (12) .forEach(i -> s.submit(()-> waitTillFinished (cb))); } public static void main(String[] oars) { Executor Service service = null; try { service = Executors.newCachedThreadPool(); new Boat ().row (service); } finally { service. isShutdown(); } } }
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