conectivity of chart rules

A discussion forum for JFreeChart (a 2D chart library for the Java platform).
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havana97
Posts: 1
Joined: Sat Apr 28, 2018 5:05 am
antibot: No, of course not.

conectivity of chart rules

Post by havana97 » Sat Apr 28, 2018 5:07 am

i've made a multidimensional array of database values and also used sql package and passed the array to the datasourceobject.i'm able to compile the program correctly but during running nullpointer exception is coming.how could i solve this?i'm very urgent in solving
this problem.
thanks

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