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import scala.swing._ not working

3 replies on 1 page. Most recent reply: Feb 10, 2013 5:56 AM by Yu Shen

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Jim Otto

Posts: 4
Nickname: jimotto
Registered: Dec, 2012

import scala.swing._ not working Posted: Dec 18, 2012 11:53 PM
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And so Chapter 34 of Programming in Scala, Second Edition, is not working for me. I'm currently using
Debian package scala-2.9.2.deb (md5) 21.0 MB
from
http://www.scala-lang.org/downloads
which yields

Welcome to Scala version 2.9.2 (OpenJDK 64-Bit Server VM, Java 1.7.0_09).
Type in expressions to have them evaluated.
Type :help for more information.

scala> import scala.swing._
<console>:7: error: object swing is not a member of package scala
import scala.swing._
^

scala>

So sbaz went away with 2.9.1 and is yet to be replaced? Is sbt somehow an alternative?


Jim Otto

Posts: 4
Nickname: jimotto
Registered: Dec, 2012

Re: import scala.swing._ not working Posted: Dec 24, 2012 9:24 PM
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OK. I finally started going through the sbt tutorial including at

http://www.scala-sbt.org/release/docs/Getting-Started/Basic-Def.html

With a build.sbt file consisting of the 1 line

libraryDependencies += "org.scala-lang" % "scala-swing" % "2.9.2"

(from a Mark Lister Coursera Scala course discussion) I FINALLY got Programming in Scala, 2nd Ed, p 762, to work!

Jim Otto

Posts: 4
Nickname: jimotto
Registered: Dec, 2012

Re: import scala.swing._ not working Posted: Dec 24, 2012 10:32 PM
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Contents for the sbt tutorial:

http://www.scala-sbt.org/release/docs/index.html

Yu Shen

Posts: 2
Nickname: 85161
Registered: Dec, 2012

Re: import scala.swing._ not working Posted: Feb 10, 2013 5:56 AM
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For Scala 2.10, the compatible version of Scala swing is 2.10.0. Use 2.9.0, 2.9.1, 2.9.2 would crash, with the following error:
java.lang.ClassNotFoundException: scala.collection.GenTraversableLike$class

I wish to learn how to figure the following:
1. How to figure out the compatible version of Scala swing
2. How to tell my current library's version.

Thanks,

Yu

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