06, Jul, 2019

SPARK & SCALA

Scala Essentials |  Traits and OOPs in Scala |Functional Programming in Scala

Introduction to Big Data and Spark | Spark Baby Steps | Playing with RDDs

Shark – When Spark meets Hive ( Spark SQL) | Spark Streaming

Spark Mlib | Spark GraphX | Project and Installation

  • Scala is an acronym for “Scalable Language”. It is a general-purpose programming language designed for the programmers who want to write programs in a concise, elegant, and type-safe way. Scala enables programmers to be more productive. Scala is developed as an object-oriented and functional programming language.
  • If you write a code in Scala, you will see that the style is similar to a scripting language. Even though Scala is a new language, it has gained enough users and has a wide community support. It is one of the most user-friendly languages.

Module 1

Introduction to Scala

Learning Objectives – In this module, you will understand basic concepts of Scala,

motives towards learning a new language and get your set-up ready.

Topics

  • Why Scala?
  • What is Scala?
  • Introducing Scala
  • Installing Scala
  • Journey – Java to Scala
  • First Dive – Interactive Scala
  • Writing Scala Scripts – Compiling Scala Programs
  • Scala Basics
  • Scala Basic Types
  • Defining Functions
  • IDE for Scala, Scala Community

Module 2

Scala Essentials

Learning Objectives – In this module, you will learn essentials of Scala that are

needed to work on it.

Topics

  • Immutability in Scala – Semicolons
  • Method Declaration, Literals
  • Lists
  • Tuples
  • Options
  • Maps
  • Reserved Words
  • Operators
  • Precedence Rules
  • If statements
  • Scala For Comprehensions
  • While Loops
  • Do-While Loops
  • Conditional Operators
  • Pattern Matching
  • Enumerations

Module 3

Traits and OOPs in Scala

Learning Objectives – In this module, you will understand implementation of OOPs

concepts in Scala and use Traits as Mixins

Topics

  • Traits Intro – Traits as Mixins
  • Stackable Traits
  • Creating Traits Basic OOPS – Class and Object Basics
  • Scala Constructors
  • Nested Classes
  • Visibility Rules

Module 4

Functional Programming in Scala

Learning Objectives – In this module, you will understand functional programming

know how for Scala.

Topics

  • What is Functional Programming?
  • Functional Literals and Closures
  • Recursion
  • Tail Calls
  • Functional Data Structures
  • Implicit Function Parameters
  • Call by Name
  • Call by Value

Module 5 

Introduction to Big Data and Spark

Learning Objectives – In this module, you will understand what is Big Data, it’s

associated challenges, various frameworks available and will get the first hand introduction

to Spark

Topics

  • Introduction to Big Data
  • Challenges with Big Data
  • Batch Vs. Real Time Big Data Analytics
  • Batch Analytics – Hadoop Ecosystem Overview
  • Real Time Analytics Options, Streaming Data – Storm
  • In Memory Data – Spark
  • What is Spark?
  • Modes of Spark
  • Spark Installation Demo
  • Overview of Spark on a cluster
  • Spark Standalone Cluster
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