Scala

Sources:http://www.scala-lang.org/

Installation:

download desired stable release from here.

extract : tar -xzf scala-x.y.z.tgz

put scala on path.(java must be there on path too).

test: scala -version

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##Data types (Sources:docs.scala-lang.org):

##Constants & Variable:

##Functions:

##Iterative statements:

scala>val a = List(1,2,4,5)

a: List[Int] = List(1, 2, 4, 5)

scala> a.foreach(println(_))

##Conditional statements:

##Resource access[File reading, database, web...]:

//Excercise using ArrayBuffer

//Import ArrayBuffer

Import scala.collections.mutable.ArrayBuffer;

//Define an empty ArrayBuffer ar of type Int

//Add 10 into ar

//Add(20,30,40,50)

//insert 45 between 40 & 50

//create an array arr(1,2,3,4,5,10)

//append arr to ar

//Remove last 2 items in ar

// check if ar contains 45, 99

//reduce ar to its sum

// max, min and average of ar

//get first 5 elements of ar

//get all elems >30

// add 25 to all items in ar

//add 50 to items <30 else add 100

//sort ar

Use Map to find word count from string.