How should we end a stream to calculate sum of elements?
1.Sink.sum_
2.Sink.fold[Int, Int](0)(_ + _)
3. Sink.sum[Int](_
4.Sink.map(_ + _)
Posted Date:-2022-11-01 12:14:18
Is Scala is Case Sensitive language?
1.Yes
2.No
3.Maybe
4.Can't say
Posted Date:-2022-11-01 09:53:43
Java compatibility makes Scala suitable for _______
1.Apple Development
2.Android Development
3.Google Development
4.None of the above
Posted Date:-2022-11-01 11:56:56
Left and Right are case classes.
1.Yes
2.No
3.May be
4.Can't say
Posted Date:-2022-11-01 11:55:55
One of the following is an erroneous function definition, can you spot it
1.def functionName(x:Int,y:Int):Int=x+ywrong
2.def functionName(x:Int,y:Int):Int={return x+y}
3.Sets
4.All of these
Posted Date:-2022-11-01 17:18:26
What is Scala?
1.Programming language
2.Framework
3.Platform
4.None of the above
Posted Date:-2022-11-01 17:27:23
_______ is a Scala compiler that compiles to JavaScript.
1.Scala.js B.
2.Scala.py
3.Scala.tktcorrect
4.Scala.cppwrong
Posted Date:-2022-11-01 12:00:25
10. Now a days Scala's Java compatibility makes well suited for
1.Microsoft developmentwrong
2.Google development
3.Android developmentcorrect
4.Apple development
Posted Date:-2022-11-01 06:53:29
A list is a collection which contains ___ data.
1.immutable
2.mutable
3.both (a) and (b)
4.None of the above
Posted Date:-2022-11-01 08:15:49
How can you format a string?
1.Val formatted= “%s %iâ€.format (mystring.myInt)
2.Val formatted= “%s %iâ€.formatted (mystring.myInt)
3.Val formatted= “%s %iâ€.formatstring(mystring.myInt)
4.Val formatted= “%s %iâ€.formatstrings(mystring.myInt)
Posted Date:-2022-11-01 08:18:09
How do we implement loops functionally?
1.Loop Constructs
2.Mutability
3.Side Effects
4.All of the these
Posted Date:-2022-11-01 06:26:49
How do you abruptly stop execution in the REPL?
1.Pressing Ctrl+C
2.Pressing Ctrl+X
3.Pressing Ctrl+Z
4.Pressing Ctrl+V
Posted Date:-2022-11-01 12:10:07
In Scala, apply() serves the purpose of closing the gap between Object-Oriented and Functional paradigms
1.True
2.False
3.both (a) and (b)
4.Error
Posted Date:-2022-11-01 06:55:31
It is not required to pass these __________ parameters to a method while calling it. D.
1.Command-line arguments
2.Default parameters
3.Implicit parameters
4.Named arguments
Posted Date:-2022-11-01 11:53:34
Omitting a semicolon(;) at the end of a statement causes the compiler to throw an error.
1.Yes
2.No
3.May be
4.Can't say
Posted Date:-2022-11-01 09:58:11
One of the following is an erroneous function definition, can you spot it
1.def functionName(x:Int,y:Int):Int=x+ywrong
2.def functionName(x:Int,y:Int):Int={return x+y}
3.def functionName(x:Int,y:Int):Int{x+y} ()
4.def functionName(x:Int,y:Int)={x+y
Posted Date:-2022-11-01 17:21:14
Programming language which uses both object-oriented programming and functional programming paradigms is
1.Scala
2.Ada
3.Pascal
4.Machine language
Posted Date:-2022-11-01 12:17:53
Scala is a short form of
1.Scalable language
2.Sequential language
3.Script language
4.Scalar language
Posted Date:-2022-11-01 12:18:38
Scala is designed by _______.
1.Guido van Rossum
2.John Von Neumann
3.Martin Odersky
4.None of the above
Posted Date:-2022-11-01 08:19:12
Scala is short form of
1.Scalable language
2.Sequential language
3.Script language
4.Scalar language
Posted Date:-2022-11-01 06:13:16
Scala is written in ________ language
1.C
2.Java
3.Python
4.C++
Posted Date:-2022-11-01 10:01:50
Scala runs on the _____ platform.
1. C
2.C++
3.JavaScript
4.Java
Posted Date:-2022-11-01 08:20:17
Scala stands for “____.â€
1.Scalable language
2.Sequential language
3.Script language
4.Scalar language
Posted Date:-2022-11-01 17:32:02
Scala stands for ________.
1.Scalable language
2.Script language
3.Scalar language
4.Sequential language
Posted Date:-2022-11-01 09:51:12
Scala was released in the year ______.
1.2002
2.2004
3.2003
4.2005
Posted Date:-2022-11-01 08:23:12
Select the Scala construct that holds pairwise different elements of the same type
1. Groups
2.Sets
3.Maps
4.Forums
Posted Date:-2022-11-01 11:58:12
The advantage of Scala are __________.
1.High scalability
2.High maintainability and productivity
3.Less error-prone functional style
4.All of the above
Posted Date:-2022-11-01 11:50:14
The null value is of type _______
1.scl.Null
2.scala.n
3.scala.Null
4.None of the above
Posted Date:-2022-11-01 12:12:59
The ___ is a representation of a map of all published Scala libraries.
1.Scala Library Index
2.Scaladex
3.Scala Document
4.Both A and B
Posted Date:-2022-11-01 17:41:55
The ___ method is utilized to select an element in the list by its index.
1.apply()
2.unapply()
3.Both A and B
4.All of the above
Posted Date:-2022-11-01 06:57:12
This optimizer is based on functional programming construct in A. Java B. Scala C. D. R
1.Java
2.Scala
3.Python
4.R
Posted Date:-2022-11-01 06:19:45
We can execute a Scala program in ______ modes.
1. interactive mode
2.script mode
3.both (a) and (b)
4.None of the above
Posted Date:-2022-11-01 08:26:34
What are the different types of Scala literals?
1.Character Literalswrong
2.String Literals
3.Multi-Line strings
4.All of the above mentioned
Posted Date:-2022-11-01 06:23:18
What are the few collections in Scala?
1.Array
2.Sets
3.List
4.All of the above
Posted Date:-2022-11-01 09:52:50
What are the few collections in Scala?
1.Array
2.List
3.Sets
4.All of the above
Posted Date:-2022-11-01 17:33:16
What are the Scala variables?
1.val myVal: Int=1
2.var myVar : Int=0;
3.both (a) and (b)
4.None of the above
Posted Date:-2022-11-01 09:44:55
What are the Scala variables?
1.var myVar : Int=0;
2. val myVal: Int=1;
3.both (a) and (b)
4.None of the above
Posted Date:-2022-11-01 17:29:49
What are the types of scala identifiers?
1.Alphanumeric identifiers
2.Operator identifiers
3.Mixed identifiers
4.All of these
Posted Date:-2022-11-01 06:12:05
What are the utility methods used in Scala?
1.String utility methods
2.Implicit conversion methods
3.Assertion utility methods
4.All of the above
Posted Date:-2022-11-01 06:29:08
What are three main part of akka streams?
1.Source, Flow, Sink
2.Source, Flow, BidirectionalFlow
3.ReactiveStream, Source, Flow
4.Stream, Source, Reactive
Posted Date:-2022-11-01 17:22:34
What is a monad in Scala?
1.An object that wraps another
2.A singleton object
3.A function with a single parameter
4.None of the above
Posted Date:-2022-11-01 10:03:30
What is Scala used for?
1.functional programming
2.strong static systems
3.both (a) and (b)
4.None of these
Posted Date:-2022-11-01 09:59:38
What is Scala?
1.API
2.UI development tool
3.framework
4.programming language
Posted Date:-2022-11-01 09:48:31
What is Scala’s programming paradigm?
1.Statically-Typed
2.Functional
3.Object-Oriented
4.All of these
Posted Date:-2022-11-01 08:03:24
What is the advantage of Scala?
1.Less error prone functional style
2.High maintainability and productivity
3.High scalability
4.All of the above
Posted Date:-2022-11-01 12:15:17
What is the advantage of Scala?
1.High testability
2.Provides features of concurrent programming
3.High scalability
4.All of these
Posted Date:-2022-11-01 06:22:24
What is the three main part of Akka streams?
1.Source, Flow, Sink
2.Source, Flow, BidirectionalFlow
3.ReactiveStream, Source, Flow
4.Stream, Source, Reactive
Posted Date:-2022-11-01 06:21:25
When can you use traits?
1.If the behaviour will not be reused, then make it a concrete class. Anyhow it is not a reusable behaviour
2. In order to inherit from it in Java code, an abstract class can be used
3. If efficiency is a priority then lean towards using a class
4.All of the above
Posted Date:-2022-11-01 12:17:04
Which among the following is a Scala Web Frameworks?
1.The Lift Framework
2.The Bowler framework
3.The Play framework
4.All of the above
Posted Date:-2022-11-01 08:24:12
Which among the following is a Scala Web Frameworks?
1.The Play framework
2.The Lift Framework
3.The Bowler framework
4.All of the above
Posted Date:-2022-11-01 12:06:26
Which companies use Scala?
1.LinkedIn
2.Twitter
3.Tumblr
4.All of the above
Posted Date:-2022-11-01 10:00:39
Which of the following are the IDEs(Integrated Development Environments) for Scala?
1.IntelliJ IDEA
2.VS Code
3.GNU Emacs
4.All of the above
Posted Date:-2022-11-01 17:36:20
Which of the following not shows how to declare variables of the basic numeric types?
1.val b: Byte = 1 B.
2.val s: Short = 1
3.val f: Float = 3.0
4.None of the above
Posted Date:-2022-11-01 08:04:19
Which of the following technology is good for Stream technology?
1.Apache Spark
2.Apache Hadoop
3.Apache Flinkcorrect
4.None of the above
Posted Date:-2022-11-01 06:11:01
Which one of the following is a feature of Scala strings?
1. It can be changed.
2.It is a mutable object.
3.It allows creating multiline strings by including the string inside three double quotes.
4.All of the above
Posted Date:-2022-11-01 08:17:06
Which one of the following is not a method defined by java.lang.String class?
1.boolean contentEquals(StringBuffer sb)
2.String concat(String str)
3.byte getBytes()
4.All of the above
Posted Date:-2022-11-01 12:01:28
Which one of the following Programming languages uses both object-oriented programming and functional programming paradigms?
1.Scala
2.Machine language
3.Pascal
4.Ada
Posted Date:-2022-11-01 17:30:51
Without an explicit import, maps in Scala are by default _______
1.Mutable
2.Immutable
3.both (a) and (b)
4.None of the above
Posted Date:-2022-11-01 11:51:23
Without an explicit import, maps in Scala are by default:
1.Immutable
2.Mutable
3.None
4.None of the above
Posted Date:-2022-11-01 07:00:11
____ abstraction from functional programming helps us deal with updating complex immutable nested objects.
1.Case classes
2.Lens
3.Extractors
4.None of the above
Posted Date:-2022-11-01 12:05:23
____ is a Scala compiler that compiles to JavaScript.
1.Scala.py
2.Scala.js
3.Scala.tkt
4.None of the above
Posted Date:-2022-11-01 08:21:11
_____ is used to define a function in Scala
1.function
2. def
3.func
4.All of the above
Posted Date:-2022-11-01 11:52:23