Scala-Map

55 posts

Last Updated: 13 August 2019

Map is same as dictionary which holds key:value pairs. In this article, we will learn how to sort a Scala Map by key. We can sort the map by ...read more

Scala

Scala-Method

Scala

Scala-Map

Scala Map toArray() method with example

Last Updated: 13 August 2019

The toArray() method is utilized to display an array from the Scala map.Method Definition: def toArray: Array[(A, B)]Return Type: It returns ...read more

Scala Map toString() method with example

Last Updated: 29 July 2019

The toString() method is utilized to display a string from the Scala map.Method Definition: def toString(): StringReturn Type: It returns a ...read more

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Scala Map toSet() method with example

Last Updated: 29 July 2019

The toSet() method is utilized to display a set from the Scala map.Method Definition: def toSet: Set[A]Return Type: It returns a set from th ...read more

Last Updated: 26 July 2019

In Scala, the sum of the map elements can be done by utilizing foldLeft method.Syntax : m1.foldLeft(0)(_+_._1)Here, m1 is used for a Map, fo ...read more

Scala Map keys() method with example

Last Updated: 13 August 2019

The keys() method is utilized to give an iterator over all the keys of the map.Method Definition: def keys: Iterable[A]Return Type: It retur ...read more

Scala Map remove() method with example

Last Updated: 13 August 2019

The remove() method is utilized to remove a key from the map and return its value only.Method Definition: def remove(key: A): Option[B]Retur ...read more

Scala Map find() method with example

Last Updated: 13 August 2019

The find() method is utilized to find the first element of the map that satisfies the given predicate.Method Definition: def find(p: ((A, B) ...read more

Scala Map filterKeys() method with example

Last Updated: 13 August 2019

The filterKeys() method is utilized to find all the pairs where the keys satisfies the given predicate.Method Definition: def filterKeys(p: ...read more

Scala Map exists() method with example

Last Updated: 13 August 2019

The exists() method is utilized to check if the given predicate satisfy the elements of the map or not.Method Definition: def exists(p: ((A, ...read more

Scala Map mkString() method with example

Last Updated: 26 July 2019

The mkString() method is utilized to represent the elements of the map as a string.Method Definition: def mkString: StringReturn Type: It re ...read more

Scala Map count() method with example

Last Updated: 13 August 2019

The count() method is utilized to count pair of keys in the Map.Method Definition: def count(p: ((A, B)) = Boolean): IntReturn Type: It retu ...read more

Scala Map equals() method with example

Last Updated: 13 August 2019

The equals() method is utilized to check whether the two maps have the same key-values pair or not.Method Definition: def equals(that: Any): ...read more

Scala Map empty() method with example

Last Updated: 13 August 2019

The empty() method is utilized to make the map empty.Method Definition: def empty: Map[A, B]Return Type: It returns an empty map.Example #1: ...read more

Scala Map clone() method with example

Last Updated: 13 August 2019

The clone() method is utilized to make a copy of the receivers object. value clone is a member of scala.collection.mutable.Map[String, Int]. ...read more

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