// Add product into show_room_products table public void prodCollect( String prodName, String prodCode, String barCode, String brandName, double purchaseRate, double sellingRate, int quantity) { try { conn = dbAccess.connectToDataBase(); stmt = conn.createStatement(); // insert product detail in show_room_products table sql = dbAccess.insertToCurrentStock( show_room_products, prodName, prodCode, barCode, brandName, purchaseRate, sellingRate, quantity); stmt.executeUpdate(sql); JOptionPane.showMessageDialog(null, "Product detail has been added to ShowRoom"); } catch (Exception e) { // Handle errors for Class.forName e.printStackTrace(); } finally { // finally block used to close resources try { if (stmt != null) { conn.close(); } } catch (SQLException se) { } try { if (conn != null) { conn.close(); } } catch (SQLException se) { se.printStackTrace(); } } // end finally try }