Connection conn=null;
	Statement st=null;
	public Connection Database() throws InstantiationException, IllegalAccessException, ClassNotFoundException, SQLException {
		Class.forName("com.mysql.jdbc.Driver").newInstance();
		conn=DriverManager.getConnection("jdbc:mysql://localhost/library?" +
                 "user=root&password=");
		st=conn.createStatement();
		return conn;
	}

}