Add Scala HelloWorld application. (#100)

Relates to #34. Signed-off-by: Christopher Métrailler <[email protected]>
DaylightFox · Oct 22, 2018 · 61e0188 · 61e0188
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diff --git a/Scala/HelloWorld.scala b/Scala/HelloWorld.scala
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+object HelloWorld {
+  def main(args: Array[String]): Unit = {
+    println("Hello, world!")
+  }
+}
diff --git a/Scala/Readme.md b/Scala/Readme.md
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+# Your first lines of Scala
+
+[Check this page](https://www.scala-lang.org/documentation/your-first-lines-of-scala.html) to learn how to write your first lines of code using [The Scala Programming Language](https://www.scala-lang.org/).
+
+Use the following commands to compile and execute the HelloWorld application:
+
+```bash
+# Compile me
+scalac HelloWorld.scala
+# Execute me
+scala HelloWorld
+```