if (conn != null) conn.close();
if (conn != null) { conn.close(); }
   public void testValidTopicPublisher() throws Exception   {      Connection conn = null;      try      {         conn = cf.createConnection("john", "needle");                 assertTrue(this.canWriteDestination(conn, testTopic));      }              finally      {         if (conn != null) conn.close();      }   }