GeeksforGeeks

Last Updated: 03 July 2020

Variance is the interconnection of Sub-Typing relationships which are either of complicated types or of their constituent types. Scala provides three types of variance: ...read more

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Scala

Scala-list

Scala List isEmpty Operation with example

Last Updated: 13 August 2019

The isEmpty operation is utilized to check if the stated list is empty or not.Syntax:m1.isEmptyHere, m1 is Map name. isEmpty is method which returns true if the stated lis...read more

Scala

Scala-list

Scala List mkString() method with a start, a separator and an end with example

Last Updated: 13 August 2019

This method is same as mkString() method but here a start, a separator and an end is also included.Method Definition: defmkString(start: String, sep: String, end: String):...read more

Scala List mkString() method with a separator with example

Last Updated: 13 August 2019

The mkString() method is utilized to display all the elements of the list in a string along with a separator.Method Definition: def mkString(sep: String): StringReturn Typ...read more

Scala List mkString() method with example

Last Updated: 13 August 2019

The mkString() method is utilized to display all the elements of the list in a string.Method Definition: def mkString: StringReturn Type: It returns all the elements of th...read more

Scala List map() method with example

Last Updated: 13 August 2019

The map() method is utilized to apply the stated function to all the elements of the list.Method Definition: def map[B](f: (A) = B): List[B]Return Type: It returns a new ...read more

Scala List length() method with example

Last Updated: 13 August 2019

The length() method is utilized to find the length of the list.Method Definition: def length: IntReturn Type: It returns the length of the list stated.Example: 1# [sourcec...read more

Scala List forall() method with example

Last Updated: 29 July 2019

The forall() method is utilized to check if the given predicate satisfies all the elements of the list or not.Method Definition: def forall (p: (a) = Boolean) : BooleanRet...read more

Scala List exists() method with example

Last Updated: 29 July 2019

The exists() method is utilized to check if the given predicate satisfy the elements of the list or not.Method Definition: def exists(p: (A) = Boolean): BooleanReturn Type...read more

Scala List lastIndexOf() method with example

Last Updated: 29 July 2019

The lastIndexOf() method is utilized to find the index of the last occurrence of the element present in this method as argument.Method Definition: def lastIndexOf(elem: A,...read more

Scala List indexOf() method with example

Last Updated: 29 July 2019

The indexOf() method is utilized to check the index of the element from the stated list present in the method as argument.Method Definition: def indexOf(elem: A, from: Int...read more

Scala List iterator() method with example

Last Updated: 29 July 2019

The iterator method is utilized to give an iterator.Method Definition: def iterator: Iterator[A]Return Type: It returns a non-empty iterator for non-empty list and returns...read more

Scala List init() method with example

Last Updated: 29 July 2019

The init() method is utilized to find all the elements of the list except the last one.Method Definition: def init: List[A]Return Type: It returns all the elements of the ...read more

Scala List concatenation with example

Last Updated: 29 July 2019

In order to concatenate two lists we need to utilize concat() method in Scala.Syntax:List.concat(l1, l2)In above syntax, l1 is list1 and l2 is list2.Below is the example t...read more

Scala List dropWhile() method with example

Last Updated: 26 July 2019

The dropWhile() method is utilized to drops the longest prefix of elements that satisfies the stated condition.Method Definition: def dropWhile(p: (A) = Boolean): List[A]R...read more