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Create a pie chart in jsp page using JFreeChart



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How to perform that usig a txt file or a csv file
Using txt file or csv files as data sources how to create a trend chart??? 

Importing data from txt file
Thank you in advance... can you help me by extending this code .. by simply using data provided by a txt file with the following data e.g: sgdps 4 rtnst 35 prnstd 56 sbno 28 Thanks... 

doubt.....
while i copied above code in my system ,It showing an error at line JFreeChart chart = ChartFactory.createPieChart ("Pie Chart ", data, true, true, false); as the method createPieChart("String",pieDataSet,boolean,boolean,boolean) not 

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