This week's book giveaway is in the OO, Patterns, UML and Refactoring forum. We're giving away four copies of Refactoring for Software Design Smells: Managing Technical Debt and have Girish Suryanarayana, Ganesh Samarthyam & Tushar Sharma on-line! See this thread for details.
because one method static pertence the class then if you lock the o method static you isn't lock one instance and so the class. always that you use static the atributte pertence the class. don't forget.