import java.rmi.Naming;
import java.rmi.RemoteException;
import java.rmi.RMISecurityManager;
import java.rmi.server.UnicastRemoteObject;

public class TestRMI extends UnicastRemoteObject implements TestRMIInterfac {
    public TestRMI() throws RemoteException {
      super();
     }
     public String sayHello() {
        return  "Hello World!";
     }
     public static void main(String args[]) {
        // Create and install a security manager
        if (System.getSecurityManager() == null) {
            System.setSecurityManager(new RMISecurityManager());
        }
        try {
            TestRMI obj = new TestRMI();
            // Bind this object instance to the name "HelloServer"
            Naming.rebind("//myhost/HelloServer", obj);
            System.out.println("HelloServer bound in registry");
        } catch (Exception e) {
             System.out.println("HelloImpl err: " + e.getMessage());
             e.printStackTrace();
        }
    }
}