private static String DB_URL = "jdbc:mysql://localhost:3306/btjb_final?useUnicode=yes&characterEncoding=UTF-8";
	private static String DB_USER = "root";
	private static String DB_PASS = "";

	private Connection conn;

	public Connection getConn() {
		return conn;
	}

	public void setConn(Connection conn) {
		this.conn = conn;
	}

	public void init() {
		try {
			Class.forName("com.mysql.jdbc.Driver");
			conn = DriverManager.getConnection(DB_URL, DB_USER, DB_PASS);
		} catch (SQLException e) {
			e.printStackTrace();
		} catch (ClassNotFoundException e) {
			e.printStackTrace();
		}
	}