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A simple CRUD application for billing of a Medical Store using JDBC and Java GUI can be developed by integrating Java Swing for the user interface and JDBC for database connectivity. The application performs Create, Read, Update and Delete operations on medicine records and generates bills for customers. Necessary assumptions include the use of MySQL as the backend database, availability of JDBC driver, and a table named `medicine` with fields such as medicine_id, medicine_name, company, price, quantity and expiry_date. Another table named `bill` may store bill_id, medicine_id, quantity_sold, total_amount and bill_date. The first step is to establish database connectivity. The JDBC API provides classes such as DriverManager, Connection, Statement, PreparedStatement and ResultSet. The MySQL JDBC driver is loaded using Class.forName("com.mysql.cj.jdbc.Driver"). A connection is ________ __________ _________ ______ _____ _____ ____ _______ _________ _________ __________ ___.
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