Find all unused variable

Question

Normally it\'s easy to see unused variables in Netbeans, just a grey squiggly line.

But how would I find all of these unused variables in my project or of a single clas

Answer 1

PMD will find unused local variables for you (among many other things). There's a NetBeans plugin that I give installation instructions for here (Warning: Shameless Plug, that links to my blog).