It is simple for the applicants to prepare for the interviews and competitive examinations by checking the Scala Questions. Top 25 Scala Interview Questions & Answers. Question: What are the method parameters? Question2: What is a ‘Scala set’? With questions and answers around Spark Core, Spark Streaming, Spark SQL, GraphX, MLlib among others, this blog is your gateway to your next Spark job. The ultimate guide to do great on your next technical interview (Questions, Answers & more) Common stereotypes show that in the IT industry, effective communication skills are not strong points in the profile of a typical programmer. Question: What are the features of Yield in Scala? If you're looking for Apache Spark Interview Questions for Experienced or Freshers, you are at right place. For, helps in executing a sequence of statement number of times and abbreviates the code that manages in the Loop variable. Answer: Pattern Matching in Scala consists of various sequences of alternatives that start with the Keyword case. Answer: There are several advantages of Scala, which include the following. Regardless of the big data expertise and skills one possesses, every candidate dreads the face to face big data job interview. Below, we are discussing some important Scala Interview Questions for both freshers and experienced: Q.1. Whereas, a list is a covariant data structure. Answer: There are various frameworks supported by Scala that include the following. The values in these variables support changes. They also act as a bridge and hence functional and object-oriented programs can be written easily. Q1). The default values of all the parameters or the parameters which we want to use are set as implicit. ... Top 25 Hadoop Admin Interview Questions and Answers Top 100 Tableau Interview Questions and Answers Top 30 Data Analyst Interview Questions & Answers. Nil- it is used to initialize an empty list since it is an object which extends list. Ads Free Download our Android app for Scala interview questions (Interview Mocks ). Answer: An offset can be called a unique identifier that is assigned to all different partitions. None- the “none” pattern in scala is used to remove null values from the scala code. 1.5 Is Scala Statically-Typed Language? Question: Describe Exception Handling in Scala? It helps in automatically generating the methods from the parameter list. Does it support OOP or FP? A smiling face and a confident answer is the key to crack an interview and accomplish success. Answer: A Protected Access Modifier supports accessibility only from the subclass of the class where the member is defined and authorized. These are. Name the four types of Scala identifiers? Scala Interview Questions and Answers Here is my list of some 20 odd questions from Scala programming and language in general. The collection of key-value pairs where the key can retrieve the values present in a map is known as a scala map. The mechanism by which actors share information, and task one another, is message passing. It is concise, easy to code, readable, easy to compile and error-free. Question: What is a ‘Scala set’? 2. E-mail Address Phone * Message. Answer: Immutability is preferred in Scala because it supports the design and uses it as a default. The size of an array is fixed and cannot be changed easily. These methods in scala are used for mapping and unmapping the data between the form and model data. Question: What are the procedures to compile Scala code? Third-party libraries can be added easily in the form of language constructs. We can catch multiple exceptions inside the catch block using case ex: blocks. Answer: To create an array, we have to declare a variable that references the array and specify the type of array. In Apache Spark, a Data frame can be created using Tables in Hive and Structured data files. Our goal is to create interview questions and answers that will best prepare you for your interview, and that means we do not want you to memorize our answers. Question: Define different packages in Scala? Answer: Scala is a Java-based Hybrid programming language. Please refer that post at: “Scala Intermediate and Advanced Interview Questions and Answers” We will also discuss Scala/Java Concurrency and Parallelism Interview Questions and Answers, which are useful for Senior or Experienced Scala/Java Developer. Question:  How is Scala a programming language with a combination of both functional and object-oriented programming?