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Scala-The Complete Guide

Introducing ScalaDoes Scala have a better future than any other programming language? Why Java Developer should learn Scala? What is the demand for Scala? Don’t worry we’ll help you understand why Scala has emerged as one of the most powerful Java alternatives in recent times and what made Developers think about Scala?Scala is a high-caliber programming language that changed the world of big data. It is a general-purpose, functional and object-oriented programming language that helps both object-oriented and functional styles of programming on a larger scale. Scala is a strong and static type language. If you are looking for a technique that can simplify your code easily then Scala is one of the great choices you can opt for. One of the best advantages of Scala for developers is, it reduces the burden by reducing the code snippets to two to three times compared to other application platforms.Let’s understand how Scala came into existenceHistory of ScalaScala is a programming language created by developed by  Martin Odersky in the year 2001.The language was first released internally in the year 2003 later it was officially released on January 20, 2004. Scala language was formally released on the platforms of Java, and .Net in the month of June 2004. Scala 2.0 version was released in Mach 2006. In the year 2011 Typesafe launched to provide commercial support training, services for Scala. These developments led towards the formal cessation of the .Net support in the year 2012. The team Scala has won a five-year research grant of over €2.3 million from the European Research Council.Features of ScalaLike other languages, even Scala has its own features. Its operational characteristics are the same as Java’s. Let’s understand the different features of Scala.Scala is Object-OrientedScala is functionalMarketableScala is ExtensibleExpressivenessScala runs on the JVMScala can execute Java CodeLet’s understand each of these clearly1. Scala is Object-OrientedScala is an object-oriented programming language like Python, Ruby, Java, Smalltalk, etc. It is a pure object-oriented language, it means that every value is an object. The Behavior of objects and Types and are described by classes and traits.2. Scala is functionalIt means that every function in Scala is a value and every value is an object, which makes every function an object. Scala provides a lightweight syntax for defining anonymous functions.3. MarketableYes, Scala is Marketable.  Learning Scala will surely make you more marketable. These days many top companies are moving to Scala.4. ExpressivenessScala is inherently very expressive. There are tons and tons of useful code in Scala. This is attracting more and more Java developers to learn Scala who is willing to write beautiful and clean code.5. Multi-Paradigm LanguageScala supports two programming paradigms like Object-oriented programming (OOP) and Functional programming (FP). It provides you a chance to explore both the languages. This combination of features will help you write Scala programs that are quite compact and simple.6. Scala runs on the JVMJava is compiled into Java Byte Code which is executed by the Java Virtual Machine (JVM). It means that both Java and Scala have a common runtime platform.7. Scala can execute Java CodeJust simple, it allows you to use all the classes of the Java SDK and also your favorite java open source projects.Frameworks for ScalaScala is a powerful language that has gained popularity among many developers. It enables developers to develop cutting edge applications that are less costly to maintain and easier to scale. Scala frameworks will help you in selecting the right technologies for solving your project tasks.Following is the list of different Scala frameworks:PlayFinchAkka HTTPChaosLiftScalaQueryBlueEyesSlickLet’s understand a few main frameworks1. PlayPlay is an open-source web application framework released in 2007. This high-velocity framework will allow developers to build highly scalable web applications written in Scala. Applications built with Play deliver all of the benefits of Reactive systems including a high degree of responsiveness, resilience, and elasticity. It is currently used by some large websites like Samsung’s IoT Artik platform, LinkedIn, etc.2. FinchFinch is a modular system of HTTP primitives centered upon the concept of composability. Its purpose is to provide developers simple and robust HTTP primitives. Finch is very fast and highly functional for a variety of systems.3. Akka:Akka is a free and open-source toolkit and runtime, good with distributed processing. It was created for building distributed and resilient message-driven applications. Since the Akka ecosystem is immense it provides a wide range of tools for various purposes like Akka Actors, Akka HTTP, etc.4. Akka HTTPAkka HTTP is a modern toolkit for building integration layers. It provides tools for building integration layers rather than application cores. This Akka HTTP tool is mostly used in high load environments.5. LiftLift is a highly secure and scalable framework designed to address a multitude of security concerns including code injection and cross-site scripting. It was created by David Pollak since he was dissatisfied with some aspects of Ruby on Rails.6. SlickSlick is a modern database query and access library for Scala. It is designed to connect to databases and sources. Slick helps in simplifying the process of building next-generation distributed applications using Scala.Applications of ScalaScala is a general-purpose computer language that widely supports the object and functional style of programming. Using Scala, you can create any type of application in less time. It has the capability to support multiple functionalities Below are the few areas where Scala can be applied.It supports both front and back ends of a web application with scala.jsBig Data and data analysis with Apache SparkScala can be used to create Android ApplicationsHighly concurrent things, like messaging apps, with AkkaScala is also applied in HadoopParallel batch processingDesktop Applications can be created using ScalaConcurrency and distributed application1. Front and back ends of a web application with scala.jsScala is used for designing Web Applications and Web Pages. Scala.js is an implementation of Scala which gathers Scala code to JavaScript. It supports full bilateral interoperability between Scala and Javascript code and hence it allows us to develop front-end web applications in Java using Javascript libraries and frameworks.2. Android ApplicationsScala can be used to build Android Applications. In order to develop Android applications in Scala, you need a minimum set of tools like Android SDK and Homebrew. Scala is easy to use for existing and newly created Android projects and the apps written using Scala is lightweight and start at 30kb.3. Desktop ApplicationsWhen you want to develop desktop applications you need to make sure you have the right framework that is going to work for you. There are several options out there, Scala is one among them.4. Scala is used with HadoopScala is used in some of the Hadoop ecosystem components like Apache Kafka, Apache Spark. Obviously, it will be really useful for someone to develop applications using Scala that uses Hadoop and ecosystem projects.We use Scala due to the factor that it is faster than Java. The central drive behind Scala is to make life easier and more productive for the programmer.Technologies built using ScalaApache SmazaFinagleAkkaLichessScaldingApache SparkLearn more about different technologies built using Scala  here.Career in ScalaScala has been gradually gaining popularity in recent times, some of the world’s best-known web platforms have switched to Scala. According to  Indeed, Scala is in the 12th place in terms of the most demanded languages. Very few developers know how to work with Scala. It is the best-suited technology for aspiring software professionals like Data Scientists, Data Engineers, etc. People who know Scala can enjoy a great career as Scala Developer.Different Scala Job RolesSoftware EngineerSenior Software EngineerSoftware DeveloperApplication DeveloperIT ConsultantScala Developers SalaryAccording to  PayScale the average salary for a Software Engineer with Scala Skills is RS 1019K. Let’s see the salary for different job roles.Job RolesMinimum Salary in RSMaximum Salary  in RSSoftware Engineer296K1.8MSenior Software Engineer452K2.9MSoftware Developer296K1MApplication Developer708K1.1MIT Consultant670K2.3MSenior Software Engineer/ Developer/ Programmer528K2.3MSoftware Engineer/ Developer/ Programmer240K550KSource: PayScaleScala Developers Salary in  different countriesAs per  PayScale the average salary for a Software Engineer with Scala Skills is $107,633. Scala Developer's salary differs from country to country. Let’s see the salary for a Software Engineer with Scala Skills in other countries.CountryMinimumMaximumSourceUSA$97195-Indeed.comFrance€33000 (Junior)€52000StackOverflowAustraliaAUS65000 (Specialist)AUS 146000PayScaleGermany€43000€81000PayScaleUkraine$12000$46000PayScaleAre you still pondering about the future of your career in Scala? Confused about whether to make a career shift in Scala or not? What will be the next career option available? Don’t worry you can earn a Scala Certification and grab a chance to get your dream job. Taking up   Scala Certification Course will definitely give you an advantage while hiring. Scala Certification is the best way to tell your hiring manager that you belong to the category of niche professionals who can make a difference. Taking up this certification course will help you understand the basics of how functional programming work. Hence, learning Scala programming language will definitely take your career to the new career avenues.
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Scala-The Complete Guide

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Scala-The Complete Guide

Introducing Scala

Does Scala have a better future than any other programming language? Why Java Developer should learn Scala? What is the demand for Scala? Don’t worry we’ll help you understand why Scala has emerged as one of the most powerful Java alternatives in recent times and what made Developers think about Scala?

Scala is a high-caliber programming language that changed the world of big data. It is a general-purpose, functional and object-oriented programming language that helps both object-oriented and functional styles of programming on a larger scale. Scala is a strong and static type language. If you are looking for a technique that can simplify your code easily then Scala is one of the great choices you can opt for. One of the best advantages of Scala for developers is, it reduces the burden by reducing the code snippets to two to three times compared to other application platforms.

Let’s understand how Scala came into existence

History of Scala

Scala is a programming language created by developed by  Martin Odersky in the year 2001.
The language was first released internally in the year 2003 later it was officially released on January 20, 2004. Scala language was formally released on the platforms of Java, and .Net in the month of June 2004. Scala 2.0 version was released in Mach 2006. In the year 2011 Typesafe launched to provide commercial support training, services for Scala. These developments led towards the formal cessation of the .Net support in the year 2012. The team Scala has won a five-year research grant of over €2.3 million from the European Research Council.

History of Scala

Features of Scala

Like other languages, even Scala has its own features. Its operational characteristics are the same as Java’s. Let’s understand the different features of Scala.

Features of Scala

  1. Scala is Object-Oriented
  2. Scala is functional
  3. Marketable
  4. Scala is Extensible
  5. Expressiveness
  6. Scala runs on the JVM
  7. Scala can execute Java Code

Let’s understand each of these clearly

1. Scala is Object-Oriented

Scala is an object-oriented programming language like Python, Ruby, Java, Smalltalk, etc. It is a pure object-oriented language, it means that every value is an object. The Behavior of objects and Types and are described by classes and traits.

2. Scala is functional

It means that every function in Scala is a value and every value is an object, which makes every function an object. Scala provides a lightweight syntax for defining anonymous functions.

3. Marketable

Yes, Scala is Marketable.  Learning Scala will surely make you more marketable. These days many top companies are moving to Scala.

4. Expressiveness

Scala is inherently very expressive. There are tons and tons of useful code in Scala. This is attracting more and more Java developers to learn Scala who is willing to write beautiful and clean code.

5. Multi-Paradigm Language

Scala supports two programming paradigms like Object-oriented programming (OOP) and Functional programming (FP). It provides you a chance to explore both the languages. This combination of features will help you write Scala programs that are quite compact and simple.

6. Scala runs on the JVM

Java is compiled into Java Byte Code which is executed by the Java Virtual Machine (JVM). It means that both Java and Scala have a common runtime platform.

7. Scala can execute Java Code

Just simple, it allows you to use all the classes of the Java SDK and also your favorite java open source projects.

Frameworks for Scala

Scala is a powerful language that has gained popularity among many developers. It enables developers to develop cutting edge applications that are less costly to maintain and easier to scale. Scala frameworks will help you in selecting the right technologies for solving your project tasks.

Following is the list of different Scala frameworks:

Frameworks for Scala

  1. Play
  2. Finch
  3. Akka HTTP
  4. Chaos
  5. Lift
  6. ScalaQuery
  7. BlueEyes
  8. Slick

Let’s understand a few main frameworks

1. Play

Play is an open-source web application framework released in 2007. This high-velocity framework will allow developers to build highly scalable web applications written in Scala. Applications built with Play deliver all of the benefits of Reactive systems including a high degree of responsiveness, resilience, and elasticity. It is currently used by some large websites like Samsung’s IoT Artik platform, LinkedIn, etc.

2. Finch

Finch is a modular system of HTTP primitives centered upon the concept of composability. Its purpose is to provide developers simple and robust HTTP primitives. Finch is very fast and highly functional for a variety of systems.

3. Akka:

Akka is a free and open-source toolkit and runtime, good with distributed processing. It was created for building distributed and resilient message-driven applications. Since the Akka ecosystem is immense it provides a wide range of tools for various purposes like Akka Actors, Akka HTTP, etc.

4. Akka HTTP

Akka HTTP is a modern toolkit for building integration layers. It provides tools for building integration layers rather than application cores. This Akka HTTP tool is mostly used in high load environments.

5. Lift

Lift is a highly secure and scalable framework designed to address a multitude of security concerns including code injection and cross-site scripting. It was created by David Pollak since he was dissatisfied with some aspects of Ruby on Rails.

6. Slick

Slick is a modern database query and access library for Scala. It is designed to connect to databases and sources. Slick helps in simplifying the process of building next-generation distributed applications using Scala.

Applications of Scala

Scala is a general-purpose computer language that widely supports the object and functional style of programming. Using Scala, you can create any type of application in less time. It has the capability to support multiple functionalities Below are the few areas where Scala can be applied.

  • It supports both front and back ends of a web application with scala.js
  • Big Data and data analysis with Apache Spark
  • Scala can be used to create Android Applications
  • Highly concurrent things, like messaging apps, with Akka
  • Scala is also applied in Hadoop
  • Parallel batch processing
  • Desktop Applications can be created using Scala
  • Concurrency and distributed application

1. Front and back ends of a web application with scala.js

Scala is used for designing Web Applications and Web Pages. Scala.js is an implementation of Scala which gathers Scala code to JavaScript. It supports full bilateral interoperability between Scala and Javascript code and hence it allows us to develop front-end web applications in Java using Javascript libraries and frameworks.

2. Android Applications

Scala can be used to build Android Applications. In order to develop Android applications in Scala, you need a minimum set of tools like Android SDK and Homebrew. Scala is easy to use for existing and newly created Android projects and the apps written using Scala is lightweight and start at 30kb.

3. Desktop Applications

When you want to develop desktop applications you need to make sure you have the right framework that is going to work for you. There are several options out there, Scala is one among them.

4. Scala is used with Hadoop

Scala is used in some of the Hadoop ecosystem components like Apache Kafka, Apache Spark. Obviously, it will be really useful for someone to develop applications using Scala that uses Hadoop and ecosystem projects.

We use Scala due to the factor that it is faster than Java. The central drive behind Scala is to make life easier and more productive for the programmer.

Technologies built using Scala

Technologies built using Scala

  • Apache Smaza
  • Finagle
  • Akka
  • Lichess
  • Scalding
  • Apache Spark

Learn more about different technologies built using Scala  here.

Career in Scala

Scala has been gradually gaining popularity in recent times, some of the world’s best-known web platforms have switched to Scala. According to  Indeed, Scala is in the 12th place in terms of the most demanded languages. Very few developers know how to work with Scala. It is the best-suited technology for aspiring software professionals like Data Scientists, Data Engineers, etc. People who know Scala can enjoy a great career as Scala Developer.

Different Scala Job Roles

  • Software Engineer
  • Senior Software Engineer
  • Software Developer
  • Application Developer
  • IT Consultant

Scala Developers Salary

According to  PayScale the average salary for a Software Engineer with Scala Skills is RS 1019K. Let’s see the salary for different job roles.

Job RolesMinimum Salary in RSMaximum Salary  in RS
Software Engineer296K1.8M
Senior Software Engineer452K2.9M
Software Developer296K1M
Application Developer708K1.1M
IT Consultant670K2.3M
Senior Software Engineer/ Developer/ Programmer528K2.3M
Software Engineer/ Developer/ Programmer240K550K

Source: PayScale

Scala Developers Salary in  different countries

As per  PayScale the average salary for a Software Engineer with Scala Skills is $107,633. Scala Developer's salary differs from country to country. Let’s see the salary for a Software Engineer with Scala Skills in other countries.

CountryMinimumMaximumSource
USA$97195-Indeed.com
France€33000 (Junior)€52000StackOverflow
AustraliaAUS65000 (Specialist)AUS 146000PayScale
Germany€43000€81000PayScale
Ukraine$12000$46000PayScale

Are you still pondering about the future of your career in Scala? Confused about whether to make a career shift in Scala or not? What will be the next career option available? Don’t worry you can earn a Scala Certification and grab a chance to get your dream job. Taking up   Scala Certification Course will definitely give you an advantage while hiring. Scala Certification is the best way to tell your hiring manager that you belong to the category of niche professionals who can make a difference. Taking up this certification course will help you understand the basics of how functional programming work. Hence, learning Scala programming language will definitely take your career to the new career avenues.

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Scala Vs Kotlin

Ever-changing requirements in coding have always been happening, ones that cause programmers to change their minds about using the appropriate programming language and tools to code. Java has been there for a long time, a really long time, 24 years ago. It is relatively easy to use, write, compile, debug, and learn than other programming languages. However, its certain inhibitions like slow performance, unavailability of any support for low-level programming, possessing poor features in GUI 4, and having no control over garbage collection is putting Java developers in a dilemma on choosing an alternative to Java, such as JetBrains’ programming language, Kotlin, presently an officially supported language for Android development or Scala, an all-purpose programming language supporting functional programming and a strong static type system. Today, we will discuss how developers can decide to choose Scala or Kotlin as an alternative to Java. 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Xcode vs Swift

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ASP.NET VS PHP

ASP.NET and PHP are pretty popular languages in the programming world used by a huge number of developers and this makes it difficult for the new developers to choose either one of them. The comparison between these two has been in debate in recent times. Both of these languages are used in large web-based applications. Some successful companies like Google, Facebook, and Twitter, etc, also use these languages. In this article, we will understand the differences between PHP and ASP.Net also, will discuss which is better ASP.NET or PHP.Before we learn more about the differences between the two languages, we must first understand some basics of the two technologies:PHPPHP stands for Hypertext Preprocessor. It is an open-source programming language that is used for web development and can be embedded into HTML. The best part of PMP is that it’s free and possesses a  ton of frameworks which simplifies web development and also great for beginners since it allows simple and easy coding techniques. PHP is great for professionals as well because of its advanced features.Why use a PHP framework?A PHP framework provides a basic structure for streamlining the development of web apps. The applications and websites built using PHP frameworks will help the businesses to improve their performance needs.The best PHP frameworks available:LaravelCodeIgniterSymfonyZendPhalconCakePHPYiiFuelPHPPros and Cons of PHP frameworkPros:Rapid Development                                              Centralized DatabaseStronger TeamworkMakes your application more secure               Cons:Slower ExecutionPHP is unsecuredPoor error handling methodLimited Visibility and ControlDemand for PHP Developer:In today’s web development market, most of the websites are developed using PHP development tools which indicates a huge demand for PHP developers. If you are looking to make an entry to the IT world as a developer, then PHP programming will be an easy entry point.Taking up a PHP training from an authentic and reliable training provider will be a great platform to hone your skills.ASP.NETASP.NET is an open-source server-side web development tool developed by Microsoft for easy building of web applications and web pages. It can be written using any .Net supported language which makes it more popular among .NET developers. High speed and low cost are the main reasons to use it. Websites built ASP.NET is faster and more efficient than a website built with PHP.Pros and Cons of ASP.NET frameworkPros:Less coding timeWorld class toolboxConsistencyCustomizability and ExtensibilityCons:Limited Object-Relational (OR) supportBit expensiveSlower than Native CodeDemand for ASP.NET Developer:If you are a .NET developer, you will find yourself demanded by several asp.net development companies as your programming skills are extremely valuable in today’s market. There are many companies hunting for developers who can do programming with .NET. Therefore, it is advisable that you brush up your skills with ASP.NET Certification Training which will increase your value many times and have an edge over others. The ASP.NET Certification Training program will definitely make your future bright and offer you heaps of career opportunities. Whether you are a fresher or a working professional, you can take up the certification course.Comparison Between ASP.NET and PHPBoth ASP.NET and PHP frameworks are effective frameworks to work with, however, one may have few advantages over the other. Let’s dive deeper and compare these frameworks to understand which one is better than the other.1. Market Share:According to the report, BuiltWith data source PHP is the most used programming language which has 73% of market share, ASP.NET has 23% of market share. PHP also has a market share of 58% in top 100K websites and market share of PHP in 10K websites is 52%.Statistics for websites using Programming Language technologies:2. WebsitesHere are two lists to compare ASP.NET vs PHP websites:Websites built using PHPWebsites built using ASP.NETWikipediaFacebookYahooWordPress.comiStockPhotoMicrosoftDellGoDaddy3. Inbuilt featuresPHP has many unique in-built features that can help web developers. On the other hand, ASP.NET doesn’t have any such features.4. Speed and PerformanceWhen you compare PHP vs. ASP.NET for speed, PHP will be the winner. ASP.NET is a bit slow compared to PHP as it is built on the COM-based system whereas, PHP program runs on its own memory space.5. Community SupportCompared to ASP.NET, learning support is great in the PHP framework and has a large support community. It will be difficult for you to get hold of #C language of ASP.NET as it is difficult to understand.Key differences between ASP.NET vs PHPPHPASP.NETPHP was launched by Rasmus Lerdorf in the year 1995.ASP.NET was launched by Microsoft in the year 2002.PHP is a scripting languageASP.NET is a paid Microsoft provided web application framework.PHP suits for small sized organizationsASP.NET suits for a large and medium-sized organization.PHP has a decent market share in the  marketASP.NET has a higher market sharePHP works slow for desktop applicationsASP.NET is well equipped to assist and create desktop applications.PHP suits best for applications that contain a prime focus on UIASP.NET suits better for applications where the key concern is security.Easy to learnQuite challenging to learn.Coding using PHP is easy when compared to all other languagesCoding with ASP.NET is complicatedPHP execution is faster since it uses in-built memory spaceCoding with ASP.NET is complicatedPHP can run in Linux Operating System which is available for freeASP.NET requires a Windows platform which is not freeConclusionBoth PHP and ASP.NET come with their pros and cons. PHP is secure, fast, reliable, and inexpensive and ASP.NET is easier to use and maintain because of its class library system. Since both programming languages are similar and accomplish the same results so the company can make a choice based on the needs and requirements of the app they are about to develop.
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ASP.NET VS PHP

ASP.NET and PHP are pretty popular languages in th... Read More

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