private static Connection getCon() {

		Connection con = null;
		String url = "jdbc:mysql://127.0.0.1:3306/";
		String db = "planer";
		String driver = "com.mysql.jdbc.Driver";
		String user = "root";
		String pass = "";

		try {
			Class.forName(driver).newInstance();
		} catch (InstantiationException e) {
			e.printStackTrace();
		} catch (IllegalAccessException e) {
			e.printStackTrace();
		} catch (ClassNotFoundException e) {
			e.printStackTrace();
		}

		try {
			con = (Connection) DriverManager
					.getConnection(url + db, user, pass);
		} catch (SQLException e) {
			System.err.println("Mysql Connection Error: ");
			e.printStackTrace();
		}
		return con;
	}