I have a remote server running with oVirt 3.5 
I'm using ovirt-engine-sdk-java-3.5.1.0-1.fc20.noarch.
there is code example:
my app:
=====================
package lab01;
import java.io.IOException;
import java.util.List;
import java.util.UUID; 
import org.apache.http.client.ClientProtocolException;
import org.ovirt.engine.sdk.*;
import org.ovirt.engine.sdk.decorators.*;
import org.ovirt.engine.sdk.entities.*;
import org.ovirt.engine.sdk.exceptions.*; 
public class Hello {    
        private static final String URL = "
https://10.64.0.204/api";
        private static final String crt = "/home/david/Desktop/dev/server.truststore";
        private static final String user = "admin@internal";
        private static final String pass = "11111111";        
        public static void main(String[] args) throws ClientProtocolException, ServerException,
                UnsecuredConnectionAttemptError, IOException { 
                Api api = new Api(URL, user, pass, crt); 
        }
}
======================
Description of problem:
While trying to start my app localy on my pc, I am getting an exception: 
Exception in thread "main" java.lang.IllegalArgumentException: Port is invalid
    at org.apache.http.util.Args.check(Args.java:36)
    at org.apache.http.conn.scheme.Scheme.<init>(Scheme.java:92)
    at org.ovirt.engine.sdk.web.ConnectionsPoolBuilder.createSchemeRegistry(ConnectionsPoolBuilder.java:358)
    at org.ovirt.engine.sdk.web.ConnectionsPoolBuilder.createPoolingClientConnectionManager(ConnectionsPoolBuilder.java:289)
    at org.ovirt.engine.sdk.web.ConnectionsPoolBuilder.createDefaultHttpClient(ConnectionsPoolBuilder.java:261)
    at org.ovirt.engine.sdk.web.ConnectionsPoolBuilder.build(ConnectionsPoolBuilder.java:413)
    at org.ovirt.engine.sdk.Api.<init>(Api.java:131)
    at lab01.Hello.main(Hello.java:24)
But I can connect to the server in https using curl or webrowser.