This week's book giveaway is in the Design and Architecture forum. We're giving away four copies of Communication Patterns: A Guide for Developers and Architects and have Jacqui Read on-line! See this thread for details.
Static methods cannot be overridden. But Abstract methods have to be overridden in the extending class (unless the class is not Abstract) to provide the definition. So static and abstract cannot go together. An useful article: https://coderanch.com/how-to/java/OverridingVsHiding