How to use ‘sortBy()’ Method In Scala
Sorting can be done using a custom comparison function with the help of the ‘sortBy()’ method in Scala’s collections package. Using a function that associates array members with keys, this technique sorts the array according to these keys.
Below is the Scala program to implement the approach:
val arr = Array("apple", "banana", "orange", "grape")
// Sort by length of strings
val sortedArr = arr.sortBy(_.length)
// Output: apple, grape, banana, orange
println(sortedArr.mkString(", "))
Output:
How to Sort an Array in Scala?
Sorting arrays effectively is essential for many applications, regardless of whether you’re working with texts, custom objects, or numerical data. Because Scala is a strong and expressive language, it provides a variety of array sorting methods that may be customized to fit various needs and situations.
This article will examine the nuances of sorting arrays in Scala and the different approaches and techniques used to do this task successfully.
Table of Content
- What is Sorting in an Array?
- Using ‘sortWith’ Method
- Using ‘sorted()’ Method
- Using ‘sortBy()’ Method
- Sorting Arrays of Objects
- Sorting Arrays in Reverse Order
- Conclusion
- FAQs
Contact Us