I am using Jfreechart. I have the code like this
TimeSeries t1 = new TimeSeries("EUR/GBP");
t1.add(new Day(4, MonthConstants.JANUARY, 2001), new Double(1.5807));
But I get String from my SQL query. TimeSeries accepts only RegularTimePeriod or ...
thanks a lot !! but the problem is that i want to add the symbolic axis into multiaxis chart in which I'm using X axis as time evolution and in the y axis i while represent performances evolution with lines and events with points ,the events y axis is a symbolic axis and there values are in the form (time,event name):(2009/07/04 ...