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.
The variable name is irrelevant to the JavaBeans conventions; it's only the name of the methods that count. If the method is named getFoo(), then the bean property is named "foo", even if the variable the method returns is named "bob".
A method named "get_celsius()" would not count as a JavaBeans property accessor; it doesn't follow the naming convention.