Written on February 4, 2009 by Stephan Schmidt

Better Null Handling Strategies for Java

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About the author: Stephan Schmidt is head of development at brands4friends. He has more than 15 years of internet technology experience and 10 years experience in agile. He was head of development, consultant and CTO and is a speaker, author and blog writer. He specializes in organizing and optimizing software development helping companies by increasing productivity with lean software development and agile methodologies. Want to know more? All views are only his own.

Comments

Matthias Wessendorf

February 6th, 2009

Java 7 comes with the ? operator to help

André Claaßen

February 7th, 2009

Ich komme aus der .NET-Welt. Null ist für mich neben GOTO das Übel dieser Welt. In der Experimentiersprache Spec# (C# mit eingebautem Design by Contract) konnte man bei der Deklaration Null verbieten. Damit waren auch die Exceptions weg, weil der Compiler und sogar schon die IDE beim Tippen jegliches Arbeiten mit NULL verboten haben.

Insgesam finde ich Option gut, wenn man Null braucht, ansonsten halte ich Design by Contract für eine bessere Idee.

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