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Overview of Scala

In this Scala tutorial you will get a detailed understanding of the hugely popular programming language and this will help you learn Scala the right way.If you are earnestly looking for a technique to simplify your code for object oriented programming projects but want to stick to functional programming, Scala is the one of the excellent choices you can opt. Whether you work with C, C++, Java, Scala-based big data programming frameworks widely revered for its high speed and expressiveness. With a cleaner and simpler design and syntax, Scala runs successfully on JVM and brings to you efficient ways of handling huge datasets. In this Scala tutorial you will get all the information to learn Scala and take the plunge towards making a career in this domain.

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It offers a smoother integration of object-oriented and functional languages, which stimulates Java Programmers to be more concise as well as productive. Scala programming minimizes the burden of coders by reducing the code snippets to two to three times when compares with other application platforms. such as Java, C and others. One of the distinguished advantages of using Scala in this big data realm is that it lets software architects adhere to their traditional functional programming patterns  but with a modern twist of improved computing speed, lesser code writing and powerful and flexible concepts and expressions.

Read below to find out how Scala is better than Java:

Scala versus Java

Basis Scala Java
Syntax Regular Complex
Orientation Functional and object-oriented Object-oriented
Level of ease Easier Lengthy

Apart from the aforementioned qualities, following functionalities make it rule the big data world:

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  • It consists of powerful and consistent abstractions for types and values
  • XML documents are supported by generalizing patterns and expressions
  • Pattern matching helps in decomposing the objects.

You can call Scala as a different flavor of Java and an effective merger of object-oriented and functional programming. This Scala tutorial is a descriptive manual to help you master the basics of Scala programming and gain deeper insights into the advanced modules of programming to analyze and manage large volumes of data.

You could learn the precise techniques of coding and gain familiarity with concepts of Arrays, Strings, Collections, Loops, Classes and Objects, Conditional statements, functions and Closures in Scala. The tutorial also equip you with core technicalities of  File Input and Output operations, Pattern Matching, regular Expression and Exception Handling, covering everything about Scala. In the first place, you will learn to install Scala on your system and then proceed with learning programming basics.

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The learning package will also help you make your Scala programs with proficiency and efficiency. You will, in fact, enjoy coding in Scala as it will enable you to deal with modern-day big data analytics and provide solutions to manage all your big data problems.  Further, with interactive modules and sessions on each topic, the tutorial is easy-to-understand and construe on the whole.

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Recommended Audience

  • Designed for the purpose of training larger audiences at a global level, this Scala tutorial is a great learning from beginner to intermediate to advanced-level programmers in Java, Python, C++.
  • Software Engineers who want to enhance their programming knowledge and are eager to learn resourceful concepts for  Big Data processing
  • Data Engineers and ETL Developers
  • Data Scientists and Analytics Professionals
  • Graduates aiming to learn latest and efficient programming language to process Big data in a faster and easier manner

Prerequisites

  • To have a thorough understanding of Scala programming tutorial, you are expected to be familiar with Java syntax and its related components of coding.
  • However, if you are not that friendly with Java concepts, it is beneficial to have knowledge about any of the programming languages like C, C++, Python and others. This will help you grasp Scala faster and with ease.

Table of Content

Scala Introduction

What is scala?

Scala stands for scalable language. It is a modern multi paradigm programming language. It combines functional and object oriented programming. Object oriented make it simple to design complex systems and to adapt them to new demands and functional programming make it simple to create things rapidly from simple parts and it is compatible with Java. It adopts Read More

Scala Installation

Scala Environment Setup

Before installing scala you need to install java (1.5 or higher version) on your system. Installation on Windows Step 1: Verify the JDK installation on your machine. Open the shell/terminal and type java -version and javac -version Step 2: Download Scala 2.11.7 binaries in the system from  http://www.scala-lang.org/download/ and then run the downloaded file Step 3: Click on next button Read More

Hello Program in Scala

First Program in Scala

It includes both an interpreter and compiler. The compiler generates a .class file that is binary files that can be executed by the JVM whereas the interpreter executes source code contained in a text file or it can be used to work interactively with Scala. A simple program in scala is shown as follows:- object HelloIntellipaat Read More

Basic Types in Scala

What is a Basic Type in Scala

Basically a Scala program describes the interaction between objects which interchange the messages. For example things like numbers, character and strings etc. are objects that can interact with other objects or similar types of objects. Learn more about Significance Of Scala Training in this insightful blog now! Objects with no internal structure that Read More

Scala Operators

Introduction to Scala Operaors

Operators are the symbols which perform the operation on the some values. These values are known as operands. Scala have following operators – Arithmetic Operators Relational Operators Logical Operators Assignment Operators Bitwise Operators   1. Arithmetic Operators Operator Operator Name Description Example + Addition Adds two operands I = 40, J= 20I + J = 60 - Read More

Scala Array

Introduction to Scala Array

Array is a mutable object that means it can be modified. It is a collection of elements which are of the same types. These elements are associated with an index which is used to access or replace a particular element. In fact, an array is implemented as a number of consecutive memory locations which is indexed Read More

Scala Strings

Introduction to Scala String

Scala string is an immutable object that means object cannot be modified. Each element of a string is associated with an index number. The first character is associated with the number 0, the second with the number 1, etc. Class java.lang.String contains different predefined functions which are very useful to perform various operations on strings. var Read More

Scala Collections

Introduction to Scala Collections

Collections are the container of things which contains random number of elements. All collection classes are found in the package scala.collection. Collections are of two types – Mutable Collections Immutable Collections Mutable Collection – This type of collection is changed after it is created. All Mutable collection classes are found in the package scala.collection.mutable. Immutable Collection - This Read More

Scala if..else Statements

If Else statements in Scala

The ability to change the behavior of a piece of code which is based on certain information in the environment is known as conditional code flow. The conditional logic in Scala is primarily based on the “if … else” structure. [cf7pdfs id="1" type="e" heading="Get Scala Certification in just 20 Hours" btntxt="Get Certified" popbtn="Get Certified"] if Read More

Scala Loops

Types of Loops in Scala

Loop is used to execute the block of code several times according to the condition given in the loop. It means it execute same code multiple times so it saves code and also helps to traverse the elements of array. There are 3 types of loop – while loop do - while loop for loop Read More

Scala Classes and Objects

Introduction to Scala Classes and Objects

A class is a blueprint for objects. Once you define a class, you can create objects from the class with the keyword new. A class definition contains field declarations and method definitions from which fields are used to store the state of an object and methods provides the access to fields and alter the Read More

Scala Functions and Closures

Introduction to Functions and Closures in Scala

Function is a block of code which provides the reusability of code. There are two types of functions – Built – in function (Already created i.e. predefined) User defined function (Created by users according to the requirements) Method in scala is a part of a class which has a name, a signature, optionally Read More

Pattern Matching and Case Classes

Pattern Matching

It is a generalization of C or Java’s switch statement. In this match method is used instead switch statement. It is defined in Scala’s root class Any and therefore is available for all objects. The match method takes a number of cases as an argument. Each alternative takes a pattern and one or more expressions which will be performed if Read More

Scala Traits

What are Scala Traits?

Traits are abstract classes that are meant to be added to some other class. A trait adds some methods or fields to an unknown parent class. It encapsulates field and method definitions which can be reused by adding them into classes. Unlike class inheritance in which each class must inherit from just one superclass whereas a Read More

Scala File Input and Output

Overview of reading and writing file oprations

File operations mostly includes reading data from file or writing data into files.   Writing Data form File e.g. import java.io._ object Intellipaat { def main(args: Array[String]) { val writer = new PrintWriter(new File("intellipaat.txt" )) writer.write("Hello Intellipaat") writer.close() } } When we compile and execute this program then it write Hello Intellipaat in Read More

Scala Regular Expressions

What are Regular Expressions?

Regular expressions are patterns that permit you to “match” various string values in a variety of ways. Scala uses import scala.util.matching.Regex to implement regular expression concept. A pattern is simply one or more characters that represent a set of possible match characters. In regular expression matching, you use a character or set of characters to represent the Read More

Scala Exception Handling

Exception handling in Scala

Exceptions are the events which can change the flow of control through a program. When you want to handle exceptions, you use a try{…}catch{…} block like you would in Java except that the catch block uses matching to identify and handle the exceptions.   Throwing Exceptions Throwing an exception looks the same as in Java. You Read More

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"6 Responses on Scala Tutorial – Learn Scala from Experts"

  1. Mishra says:

    Very impressive. With this tutorial i gathered technical knowledge on Scala.

  2. Konal says:

    Thanks for sharing very nice Scala Tutorial. It’s concise and descriptive.

  3. Malisha says:

    Great tutorial, It’s very useful for beginners as well as advanced learner’s to know the core concept of Scala.

  4. Evan says:

    Scala is awesome, I thought this is a new language but its been here for a long time. The explanation of some pretty complex concepts here is really great. Nice tuts!

  5. Nayan says:

    Sincerely Thanking you for the effort you put to explain Scala as simple as possible. This is a very good introduction and really helped me to understand the language.

  6. Alice says:

    Nice introductory Tutorial on Scala..Thanks. In-depth coverage of each topics.

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