code: public static Connection openSpatialDataBase(String dbName) throws SQLException, ClassNotFoundException {
          String dbFilePath = getDataBasePath(dbName);       
          String databasePath = "jdbc:h2:"+ dbFilePath + H2_PARAMETERS;
          org.h2.Driver.load();
          // Keep a connection alive to not close the DataBase on each unit test
          return DriverManager.getConnection(databasePath,
                  "sa", "sa");
      }
docs: Open the connection to an existing database
  @param dbName
  @return
  @throws SQLException
  @throws ClassNotFoundException