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.
I think you can manage by... knowing the exact range in decimal for byte, short, char and int. long in exponential form: - 2to63 to 2to63 -1 for float and double only a general sense of the range: float 3.4e+38 to 1.4e-45 double 1.8e+308 to 4.9e-324