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I have queried yahoo finance for historic data and have got JSon output. What i would like to do is convert this JSon data into a graph. I am using java and would have to later upload this image into my mysql database. What is the best free library for creating charts(Line charts preferably). As i am new to this some tutorials on how to use will help .
I have been using JFreeChart when building graphs in Java and it’s a very powerful library.
Take a look at their site.
http://www.jfree.org/jfreechart/