Tools for connecting to Oracle database using jdbc

package ;

import ;
import ;
import ;

/**
  * Connect to database tool class
  */
public class DBHelper {
    /**
      * Get the database connection object
      *
      * @return
      */
    public static Connection getConn() {
        Connection conn = null;
        //Define the database driver        String driver = "";
        //Define database connection        String url = "jdbc:oracle:thin:@localhost:1521:orcl";
        //Define database account        String user = "super";
        //Define the database password        String password = "super";
        try {
            //Load the database driver            (driver);
            //Get the database connection            conn = (url, user, password);
        } catch (Exception e) {
            ();
        }
        return conn;
    }

    /**
      * Free up resources
      *
      * @param conn
      */
    public static void release(Connection conn) {
        try {
            if (conn != null)
                ();
        } catch (SQLException e) {
            ();
        }
    }
}