title: free java library for visualization (Plots, Charts ,Graphs , ...)
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/6612/are-there-any-decent-free-java-data-plotting-libraries-out-there">Are there any decent free Java data plotting libraries out there?</a>  </p>
  </blockquote>
  
  
  
  <p>I need a java library for visualization.<br>
  I need it be able to generate &amp; display Plots, Charts, Graphs ,... .<br>
  What is the best library to do that?    </p>
  
  <p>Thanks </p>