接口继承性 /The code is used to create the remote interface of an enterprise bean //used by the HelloApp application import javax.ejb. import java rmi K, public interface Hello extends EJBobject String sayHello(string MyName) throws Remote Exception Helo接口继承了 EJBObject接口 EJBobject接口包含在 javax. ejby包中,它又继承了 java rmi Remote接囗接口继承性 //The code is used to create the remote interface of an enterprise bean //used by the HelloApp application import javax.ejb.*; import java.rmi.*; public interface Hello extends EJBObject { String sayHello(String MyName) throws RemoteException; } ◼ Hello接口继承了EJBObject接口 ◼ EJBObject接口包含在javax.ejb包中，它又继承了 java.rmi.Remote接口