For Eg: trait MyTrait { deff()} 16. Answer: Answer: Quelle est la durée du test ? “Any” class is the superclass of all classes in Scala. Most of the big data developers are from Python or R programming background. Scala is a general-purpose, high-level, multi-paradigm programming language. The Scala Programming Language. 515. Scala Interview Questions 1) What is Scala? The best way we learn anything is by practice and exercise questions. For Eg: Val myTuple = (1, “element”, 10.2). 1. Scala combines object-oriented and functional programming in one concise, high-level language. An object is a singleton instance of the class. Val formatted=  “%s %i”.format (mystring.myInt), Answer: Answer: Operator identifiers It is available in Scala package as “scala. Answer: Answer: So, let us begin with our first question. Over the last few weeks, I've been working my way through the Programming in Scala book. For EG: Designed to be concise, many of Scala's design decisions are aimed to address criticisms of Java. It supports object-oriented, functional and imperative programming approaches. Here you have the opportunity to practice the Scala programming language concepts by solving the exercises starting from basic to more complex exercises. The major advantages of Scala language are: Very precise code, flexible syntax, Supports all OOP features, More reusable code, highly productive. These are collected from various sources including friends and colleagues. What do you mean by Option in Scala? Integer Literals There are four types of Scala Identifiers: The Scala Programming Language. Scala tuple is used to combine the fixed number of the item together. What Is A ‘scala Set’? This means that they’re designed specifically to check the competence of your candidates in that particular language. Floating point literals Here you have the opportunity to practice the Scala programming … Scala has been created by Martin Odersky and he released the first version in 2003. Scala is a general-purpose programming language. Answer: Scala is a Java-based Hybrid programming language. Part 2 – Scala Interview Questions (Advanced) Let us now have a look at the advanced scala Interview Questions. Below is the Scala Interview Questions that are mostly asked in an interview these questions are divided into two parts: This first part covers basic Scala Interview Questions and Answers. Before you start, please bookmark all … Answer: Unless you decide to use the Await, you won’t block your program using Scala futures. To advance your programming skills, it’s good to learn at least one language from different paradigms, e.g. Variables, values, and types Quiz #2. So, if you are aspiring for a career in Big Data, this Apache Spark and mock test can be of your great help. object HelloWorld extends App { This website or its third-party tools use cookies, which are necessary to its functioning and required to achieve the purposes illustrated in the cookie policy. Std Lib. The file extension is scala or .sc. Scala set is a collection of pairwise elements of the same type. String Literals Our Scala coding interview questions are automated when it comes to evaluation and when generating progress reports for recruiters. Multi-Line Stings. How is Scala is both an OOP and Functional Programming Language? What are methods through which operation sets are expressed? It can integrate itself with Java Virtual Machine and compile the code written. Let us now have a look at the advanced scala Interview Questions. Else” is an expression. Start. 1) How would you rate other JVM languages when compared to Scala? Elements of Programming trait MyTrait {. What is the difference between unapply and apply, when would you use them? Answer: Boolean Literals Though every Scala interview is different and the scope of a job is also different, we can help you out with the top Scala Interview Questions and Answers, which will help you to take the leap and get you success in an interviews. Option, Some, and None Quiz #2. The closure is the function in scale where the returned value of the function depends on the one or more than one variable which is defined outside the function. It is a multi-paradigm programming language. Hope, these exercises help you to improve your Scala programming coding skills. Java, Scala, Groovy, and closure are very popular for JVM language. The best way we learn anything is by practice and exercise questions. These are an adaptation of the Ninety-Nine Prolog Problems written by Werner Hett at the Berne University of Applied Sciences in Berne, Switzerland. How to compile and run a scala program? Scala trait is an advanced class in Scala that enables the use of multiple inheritances and it can be extended to multiple classes together. Character Literals Well, Scala is a programming language invented by Mr. Martin Odersky and his research team in the year 2003. The major advantage of Scala is the JVM (Java Virtual Machine). By closing this banner, scrolling this page, clicking a link or continuing to browse otherwise, you agree to our Privacy Policy, Special Offer - Scala Programming Training (3 Courses) Learn More, Scala Programming Training (3 Courses,1Project), 3 Online Courses | 9+ Hours | Verifiable Certificate of Completion | Lifetime Validity | 1 Project, Part 1 – Scala Interview Questions (Basic), Part 2 – Scala Interview Questions (Advanced), Programming Languages Training (41 Courses, 13+ Projects, 4 Quizzes), All in One Software Development Bundle (600+ Courses, 50+ projects), Software Development Course - All in One Bundle. ALL RIGHTS RESERVED. The Scala interview questions and tests are developed by top experts in the Scala programming language. In the package, it is defined as “scala. Scala is a pure object-oriented language in the sense that every value is an object. CodeQuizzes; Login; Sign up; Recent Exams; Learn Scala Quizzes. Q27). Answer: Martin Odersky has created it, and he released the first version in 2003. The language has a strong static type system. For Compiling:  scalac HelloWorld.scala, Start Your Free Software Development Course, Web development, programming languages, Software testing & others, So if you are looking for a job that is related to Scala, you need to prepare for the Scala Interview Questions. It is recommended to do these exercises by yourself first before checking the solution. Learn programming with Ruby, JavaScript, and Rails code quizzes. We can be assigned it to a variable. You have to select the right answer to the question. Classes and Object Orientation. Please avoid copyrighted materials. S-99: Ninety-Nine Scala Problems. 2. Mixed identifiers These are set of questions bases roughly on the control flow of scala programming language, for example if else, while , do while , for loop , foreach loop etc. This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. The problems have different levels of difficulty. Cats is a library which provides abstractions for functional programming in the Scala programming language. Answer: Unit”. Scala 2.12 which requires Java 8. Booleans, comparisons, and type operations Quiz #3. Scala combines object-oriented and functional programming in one concise, high-level language. Generally, we called it “Ripple”. By the following way: It’s a special kind of which enables the Multiple Inheritance. For greater control, recruiters can even attach specific time-limits to each question … 12,13,14,15,16,17,18,19. It is used by integration with the Java Virtual machine and can compile the written code. It is an interpreter to execute scala code from the command prompt. Answer: This has been a guide to List of Scala Interview Questions and Answers. Cats. 6. } The language has a strong static type system. It smoothly integrates the features of object-oriented and functional languages. 11,20. There are two types of maps: Mutable and Immutable. The following are the 50 Best Scala Interview Questions and answers.
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