Updated by FastRunner on Friday, September 19th 2008.
JFreeChart is a free 100% Java chart library that makes it easy for developers to display professional quality charts in their applications.
JFreeChart's extensive feature set includes:
A consistent and well-documented API, supporting a wide range of chart types;
A flexible design that is easy to extend, and targets both server-side and client-side applications;
Support for many output types, including Swing components, image files (including PNG and JPEG), and vector graphics file formats (including PDF, EPS and SVG);
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