Over a million developers have joined DZone.
{{announcement.body}}
{{announcement.title}}

Scala – First Experience

DZone's Guide to

Scala – First Experience

· Java Zone ·
Free Resource

Download Microservices for Java Developers: A hands-on introduction to frameworks and containers. Brought to you in partnership with Red Hat.

Using Eclipse IDE and the details are as follows

Scala IDE build of Eclipse SDK
Build id: 3.0.4-2.11-20140723-2253-Typesafe

Scala Library – 2.11.2

A phenomenal change in the mindset.

The first learning is

  • def defines a method
  • val defines a fixed value (cannot be modified)
  • var defines a variable (can be modified)

Took sometime to understand.

How to read a file and move the contents to a list? (“\n” being the line separator)

val fileContentsList= io.Source.fromFile(“h:/SampleTripFile.txt”).getLines.toList

main method is also there

def main(args: Array[String]) {

Used Casbah (Scala toolkit for MongoDB).

Yes, good learning and enjoying the constructs and the simplicity.

Download Building Reactive Microservices in Java: Asynchronous and Event-Based Application Design. Brought to you in partnership with Red Hat

Topics:

Published at DZone with permission of

Opinions expressed by DZone contributors are their own.

{{ parent.title || parent.header.title}}

{{ parent.tldr }}

{{ parent.urlSource.name }}