Works when run from desktop but....

Works when run from desktop but....

I used the code provided here for a pie chart using swing in Java, and when I saved it to my desktop, it ran fine, and worked as explained, but then I tried to add the same code to NetBeans 7.2.1, and got errors saying that the lines,

g2d.setColor(colors.get(i));

Double val = values.get(i);

for (int i = 0; i < gradingValues.size(); i++) { were all using incompatible types, continuing to say, *required: double found: object* Is there some reason for this??

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