Moving modules around so the runtime is under one master pom and can be built without building other modules that are in the repository
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31 * Written by Doug Lea with assistance from members of JCP JSR-166
32 * Expert Group and released to the public domain, as explained at
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36 package java.util.concurrent;
39 * A task that returns a result and may throw an exception.
40 * Implementors define a single method with no arguments called
43 * <p>The <tt>Callable</tt> interface is similar to {@link
44 * java.lang.Runnable}, in that both are designed for classes whose
45 * instances are potentially executed by another thread. A
46 * <tt>Runnable</tt>, however, does not return a result and cannot
47 * throw a checked exception.
49 * <p> The {@link Executors} class contains utility methods to
50 * convert from other common forms to <tt>Callable</tt> classes.
55 * @param <V> the result type of method <tt>call</tt>
57 public interface Callable<V> {
59 * Computes a result, or throws an exception if unable to do so.
61 * @return computed result
62 * @throws Exception if unable to compute a result
64 V call() throws Exception;