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Generics in Java

Posted by: Venkat Subramaniam on 06/20/2008
I have talked and written about my opinions on Java Generics before> (I love Generics in .NET, but that love does not extend to the implementation in Java).

Type information is useful at times, and I like for a way to infer that information. Generics provide that, but is too heavyweight of an approach and also leads to an illusion of type safety when it provides none. If all we care about is type information, there's gotta be a better way to realize that.

Brian gives a good example where having the type information can be useful—How Generics can pay dividends. But, is that a dividend or is it a tax allowance? Are Generics the best way to get type information/type inference or should there be a lightweight, better way?

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About Venkat Subramaniam

Dr. Venkat Subramaniam, founder of Agile Developer, Inc., has trained and mentored thousands of software developers in the US, Canada, Europe, and Asia. Venkat helps his clients effectively apply and succeed with agile practices on their software projects, and speaks frequently at international conferences and user groups. He is author of ".NET Gotchas" (O'Reilly), coauthor of 2007 Jolt Productivity Award winning "Practices of an Agile Developer" (Pragmatic Bookshelf), and author of "Programming Groovy: Dynamic Productivity for the Java Developer" (Pragmatic Bookshelf).