public class SdeTest {
    public static void main(String[] args) {
        SeConnection connection = null;
        try {
            System.out.println("Connecting");
            connection = new SeConnection("none", "sde:oracle11g:geobase_tns", "none", "{my-user}", "{my-password}@geobase_tns");
            System.out.println("CONNECTION OK");
        } catch (SeException e) {
            e.printStackTrace();
        } finally {
            if(connection != null) {
                try {
                    connection.freeAllLocks();
                    connection.close();
                } catch (SeException e) {
                    e.printStackTrace();
                }
            }
        }
    }
}

geobase_tns =

  (DESCRIPTION =

(ADDRESS_LIST =

  (ADDRESS = (PROTOCOL = TCP)(HOST = {my-host-ip})(PORT = {my-port-number}))

)

(CONNECT_DATA =

  (SERVICE_NAME = {my-service-name})

)