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Merge pull request #1179 from cmpitg/master

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[scala/en] Consistent code format & some minor language corrections
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ven
2015-08-03 11:18:26 +02:00
parent 1f6f7b7843 d61ad10775
commit 6caa30228e
1 changed files with 56 additions and 59 deletions
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scala.html.markdown
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@@ -5,6 +5,7 @@ contributors:
- ["George Petrov", "http://github.com/petrovg"] - ["George Petrov", "http://github.com/petrovg"]
- ["Dominic Bou-Samra", "http://dbousamra.github.com"] - ["Dominic Bou-Samra", "http://dbousamra.github.com"]
- ["Geoff Liu", "http://geoffliu.me"] - ["Geoff Liu", "http://geoffliu.me"]
- ["Ha-Duong Nguyen", "http://reference-error.org"]
filename: learn.scala filename: learn.scala
--- ---
@@ -16,15 +17,16 @@ Scala - the scalable language
Set yourself up: Set yourself up:
1) Download Scala - http://www.scala-lang.org/downloads 1) Download Scala - http://www.scala-lang.org/downloads
2) unzip/untar in your favourite location and put the bin subdir on the path 2) Unzip/untar to your favourite location and put the bin subdir in your `PATH` environment variable
3) Start a scala REPL by typing scala. You should see the prompt: 3) Start a Scala REPL by running `scala`. You should see the prompt:
scala> scala>
This is the so called REPL (Read-Eval-Print Loop). You may type any valid This is the so called REPL (Read-Eval-Print Loop). You may type any Scala
Scala expression into it, and the result will be printed. We will explain what expression, and the result will be printed. We will explain what Scala files
Scala files look like further into this tutorial, but for now, let's start look like further into this tutorial, but for now, let's start with some
with some basics. basics.
*/ */
@@ -32,10 +34,10 @@ Scala - the scalable language
// 1. Basics // 1. Basics
///////////////////////////////////////////////// /////////////////////////////////////////////////
// Single line comments start with two forward slashes // Single-line comments start with two forward slashes
/* /*
Multi line comments, as you can already see from above, look like this. Multi-line comments, as you can already see from above, look like this.
*/ */
// Printing, and forcing a new line on the next print // Printing, and forcing a new line on the next print
@@ -46,7 +48,7 @@ println(10)
print("Hello world") print("Hello world")
// Declaring values is done using either var or val. // Declaring values is done using either var or val.
// val declarations are immutable, whereas var's are mutable. Immutability is // val declarations are immutable, whereas vars are mutable. Immutability is
// a good thing. // a good thing.
val x = 10 // x is now 10 val x = 10 // x is now 10
x = 20 // error: reassignment to val x = 20 // error: reassignment to val
@@ -239,7 +241,7 @@ i // Show the value of i. Note that while is a loop in the classical sense -
// A do while loop // A do while loop
do { do {
println("x is still less than 10"); println("x is still less than 10")
x += 1 x += 1
} while (x < 10) } while (x < 10)
@@ -629,13 +631,8 @@ writer.close()
## Further resources ## Further resources
[Scala for the impatient](http://horstmann.com/scala/) * [Scala for the impatient](http://horstmann.com/scala/)
* [Twitter Scala school](http://twitter.github.io/scala_school/)
[Twitter Scala school](http://twitter.github.io/scala_school/) * [The scala documentation](http://docs.scala-lang.org/)
* [Try Scala in your browser](http://scalatutorials.com/tour/)
[The scala documentation](http://docs.scala-lang.org/) * Join the [Scala user group](https://groups.google.com/forum/#!forum/scala-user)
[Try Scala in your browser](http://scalatutorials.com/tour/)
Join the [Scala user group](https://groups.google.com/forum/#!forum/scala-user)