This week's book giveaway is in the OCAJP forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide 1Z0-808 and have Jeanne Boyarsky & Scott Selikoff on-line! See this thread for details.
Yes, absolutely. In fact, many if not most uses of "static" that I see are ill-considered. A static variable is awfully like the dreaded global variables of procedural languages. They lead to highly-coupled, hard to maintain code.