
i have to use jfree charts how to download its api and where to keep it in jdk order to execute

Please visit the following link:
Download jfreechart-1.0.13.zip from the given link. Then on extracting the zip file, you will get the jfreechart-1.0.13.jar and jcommon-1.0.16.jar files inside the lib folder. Put these files into the following locations:
jdk\lib
jdk\jre\lib
jdk\jre\lib\ext
jre\lib
jre\lib\ext
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