This tutorial will teach you how to make a Inventory Management System in Java and Mysql special discount calculation . This system will helpful you to learn Inventory Management System. Establish the Database Connection Connection con; PreparedStatement pst; public void Connect() { try { Class.forName("com.mysql.jdbc.Driver"); con = DriverManager.getConnection("jdbc:mysql://localhost/inventory","root",""); } catch (ClassNotFoundException ex) { ex.printStackTrace(); } catch (SQLException ex) { ex.printStackTrace(); …