Re: Alternative languages on the JVM: what's a meaningful strategy?

From:
=?ISO-8859-1?Q?Arne_Vajh=F8j?= <arne@vajhoej.dk>
Newsgroups:
comp.lang.java.programmer
Date:
Thu, 16 Oct 2014 19:13:19 -0400
Message-ID:
<54405112$0$291$14726298@news.sunsite.dk>
On 10/16/2014 8:27 AM, Saxo wrote:

some while ago I felt annoyed with Java lacking various things like
extension methods and traits that other competing languages have for
a long time (e.g., C#). So I started to have a look at other JVM
languages such as Groovy, Scala, Fantom, and now Kotlin.


Java 8 default methods will cover a good part of your need for
extension methods.

A good AOP framework will cover a good part of your need for
traits. I like AspectJ. It is not that easy, but it is quite
powerful.

I disliked Scala for various reason. It seems to have a problem with
code readibility (mostly caused by implicits). Code readabilitiy is
for me an absolute top priority in software development. Then build
times were a problem. Now it seems to be o.k., but still just
acceptable.

So I had a look at Kotlin, which I really like. Code readibility is
excellent here and so are built time and other things. Basically,
Kotlin would be it for me. But then again it made me think: Java will
always dominate on the JVM with, say, 95% or something. What you do
with Kotlin will be for sparetime fun & leisure. It will almost never
be for work.

All right, then I pick a language that is radically different which
brings me back to Scala. Actually, this is starting to drive me nuts.
Really ... What is your take on the matter? I mean not in a
subjective way, but in an objective way. To make a good decision you
kind of have to predict the future, but you can still try to be
objective with this.


Scala is a very complex language.

Whether you like it or not is a personal preference. You need
to make up your own mind.

But professionally Scala is relevant because it is actually
used out there.

A search on dice.com finds:

Java - 17863
Scala - 432
Groovy - 431
Clojure - 87
Kotlin - 0
Fantom - 0

Did you try Groovy?

Even though Java is clearly the dominant language, then knowing another
language is certainly a good thing.

Arne

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