How is exception handling done in a Callable

Question

I understand that callable\'s call can throw the exception to the parent method calling it which is not the case with runnable.

I wonder how because it\'s a thread m

Answer 1

The point of Callable is to have your exception thrown to your calling thread, for example when you get the result of a Future to which you submitted your callable.

public class CallableClass implements Callable {
...
}

ExecutorService executor = new ScheduledThreadPoolExecutor(5);
Future future = executor.submit(callable);

try {
    System.out.println(future.get());
} catch (Exception e) {
    // do something
}