Final

What Does Final Mean?

Final is a keyword which is used to define an entity that cannot be changed nor derived from later. The final keyword is used in three different contexts. For example, afinal class, final method, andfinal variables.

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Techopedia Explains Final

Final class: When a class is declared as final, it cannot be extended. A class can be declared as final in situations where the class is logically complete.

Final Method: When the method is declared as final then the method cannot be overriden by the subclass.

Final Variables: Once the variable is declared as final then the value of the variable cannot be changed.

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Margaret Rouse
Technology Expert

Margaret is an award-winning technical writer and teacher known for her ability to explain complex technical subjects to a non-technical business audience. Over the past twenty years, her IT definitions have been published by Que in an encyclopedia of technology terms and cited in articles by the New York Times, Time Magazine, USA Today, ZDNet, PC Magazine, and Discovery Magazine. She joined Techopedia in 2011. Margaret's idea of a fun day is helping IT and business professionals learn to speak each other’s highly specialized languages.