Generate Graph for Visualization!

hi,
How can i generate graphs in java and where can i find any examples and codes?I want to view a simple two sets of data in numbers and represent it in tha java application?
Do i have to code it in java or use any third party tool?
I hope anyone can help me on this.
Thanks
Nanthan.R

Go to www.jfree.org. They have a free charting API.
KR,
Jan

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