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”
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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”
…
This extends Coding Scala Way – Part 1 Can you write the following code written in Java the Scala way? Java coding question on recursion and generics Q. … Read...
Example #6: Lazy initialization & evaluation of code Scala support “views“, which are collections that can be lazily evaluated. One use for views is when you need to traverse a...
Example #10: Null checks with “Option-Some-None”
Nulls in Scala is a code smell, and a better way to handle null values is with an “Option“, which has 2 sub classes “
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Example #13: Explain the concepts
Can you explain the Scala concepts applied in the following code snippets?
Output:
1. Higher Order Functions: “
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Example #14: Reduce operations Given a list of functions as shown below, how will you go about applying all the functions in the list to each input number and sum...
Example #16: Regular Expression Regular expression (aka regex) to identify numbers in a string. Invoking “findFirstIn” and “findAll” functions of the “Regex” class. “[0-9]+”.r is a short form instead of...
Example #20: nth Fibonacci number
Q1 What is wrong with the following recursive approach to compute the nth Fibonacci number?
A1 It “hangs”
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Example #22: Fibonacci series in Scala This extends determine the nth fibonacci number using Scala. In this let’s print the Fibonacci series of length n. Output: Q1 Is the above...
Java developers need to learn Coding Scala Way. Scala way of coding is quite different & you need to unlearn Java way of coding
Question: Given a list of numbers,
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