5、a.util.concurrent.Callable;import java.util.concurrent.ExecutorService;import java.util.concurrent.Executors;import java.util.concurrent.Future;import java.util.concurrent.ThreadFactory;public abstract class FutureProxy ...{ private final class CallableImpl
6、implements Callable ...{ public T call() throws Exception ...{ return FutureProxy.this.createInstance(); } } private static class InvocationHandlerImpl implements InvocationHandler ...{ private Future future;