This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
If you don’t understand the error message it is likely that you are not using the static context correctly. Please search the beginning Java™ forum and this forum for threads about static methods; there were two, about two weeks ago.