Example #1: Read from a list & write to a list
Java Way in Scala
Output: List(Java Programming, Scala Programming, Ruby Programming)
Scala Way in Scala: Using the “map” functional combinator
Immutable code as shown below using the “map”
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Example #1: Read from a list & write to a list
Java Way in Scala
Output: List(Java Programming, Scala Programming, Ruby Programming)
Scala Way in Scala: Using the “map” functional combinator
Immutable code as shown below using the “map”
…
Q1. What is a pure function?
A1. A pure function is a function where the following conditions are met:
1) The Input solely determines the output.
2) The function does not change its input.
3) The function does not do anything else except computing the output.
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This extends Scala Functional Programming basics – pure functions, referential transparency, side effects, etc.
Q1. What is a first-class function?
A1. A first-class function is a function that can be treated like a value.
1) Can be assigned to a variable as a value can be assigned to a variable.
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100+ FAQ Scala interview questions answered with code. Learn more about FP – 6 tips to transforming your thinking from OOP/imperative programming to functional programming (i.e. FP). Scala is very popular in Apache Spark programming to process Big Data. 70+ FAQ Bigdata & Hadoop interview questions &
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Q1. Given the below Person.scala file with Person.calss, what will be the output?
A1. It prints the below text as when a Scala class is instantiated the statements in the body are executed after the object is constructed via the constructor defined in the class signature itself as “Person(name: String,
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This extends the Scala Class Vs. Object and Companion object interview Q&As to implement the factory method.
Q1. What is a factory method pattern?
A1. It is an Object Oriented Programming design pattern to instantiate objects. For example,
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This extends Coding Scala Way – Part 1 Example #4: FP using both recursion and functional combinator like foldLeft Can you write the following code written in Java the Scala way? Java coding question on recursion and generics 1. Define the Trait 2.… Read more ›...
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