public static final void unlikes(User user, Post post) { Connection connection = null; PreparedStatement stmt = null; String sql = " DELETE FROM luser_likes_post where luser_id = ? and post_id = ?"; try { connection = DBConnection.getConnection(); stmt = connection.prepareStatement(sql); stmt.setString(1, user.getId()); stmt.setInt(2, post.getId()); stmt.executeUpdate(); } catch (SQLException ex) { Logger.getLogger(PostMapper.class.getName()).log(Level.SEVERE, null, ex); } finally { if (stmt != null) try { stmt.close(); } catch (SQLException e1) { e1.printStackTrace(); } if (connection != null) { try { connection.close(); } catch (SQLException e) { e.printStackTrace(); } } } }