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Community confusion

Heinz Kabutz – Lambdas are confusing and Java needs evangelists

Coman Hamilton
Heinz Kabutz at the W-JAX 2015

The sacking of Oracle’s Java evangelists, Simon Ritter in particular, marks a great loss for the Java community, says Heinz Kabutz, who speaks to us about the complexity of the lambda, and if it really feels like Java is being neglected.

Java 8 was launched in March 2014 with great fanfare. The new lambda syntax allows us to have a more succinct coding style and get rid of a lot of boilerplate code. However, there is also confusion. Even the “State of the Lambdas” paper starts by comparing lambdas to ActionListener.

Even though that is indeed a functional interface, its related listeners such as MouseListener are not, explains Heinz Kabutz, author of the popular Java Specialists newsletter. In his session at the W-JAX, Heinz showed his audience a number of interfaces and let the audience decide whether or not it qualified as a functional interface – the results proved that a large amount of confusion remains over the use of lambdas.

Heinz spoke to us after his session about what Java developers can do to improve their lambda usage, and also commented on the recent Java Evangelist layoffs and what it means for the community.

Author
Coman Hamilton
Coman was Editor of JAXenter.com at S&S Media Group. He has a master's degree in cultural studies and has written and edited content for numerous news, tech and culture websites and magazines, as well as several ad agencies.

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