Scala Vector

by Online Tutorials Library July 14, 2022

Scala Vector

Vector is a general-purpose, immutable data structure. It provides random access of elements. It is good for large collection of elements.

It extends an abstract class AbstractSeq and IndexedSeq trait.

Scala Vector Example

  import scala.collection.immutable._  object MainObject{      def main(args:Array[String]){          var vector:Vector[Int] = Vector(5,8,3,6,9,4) //Or          var vector2 = Vector(5,2,6,3)          var vector3 = Vector.empty          println(vector)          println(vector2)          println(vector3)      }  }  

Output:

Vector(5, 8, 3, 6, 9, 4)  Vector(5, 2, 6, 3)  Vector(

Scala Vector Example

In the following example, we have created a vector. You can also add new element and merge two vectors.

  import scala.collection.immutable._  object MainObject{      def main(args:Array[String]){          var vector = Vector(“Hocky”,”Cricket”,”Golf”)          var vector2 = Vector(“Swimming”)          print(“Vector Elements: “)          vector.foreach((element:String) => print(element+” “))          var newVector  = vector :+ “Racing” // Adding a new element into vector          print(“nVector Elements after adding: “)          newVector.foreach((element:String) => print(element+” “))          var mergeTwoVector = newVector ++ vector2   // Merging two vector          print(“nVector Elements after merging: “)          mergeTwoVector.foreach((element:String) => print(element+” “))          var reverse = mergeTwoVector.reverse        // Reversing vector elements          print(“nVector Elements after reversing: “)          reverse.foreach((element:String) => print(element+” “))          var sortedVector = mergeTwoVector.sorted    // Sorting vector elements          print(“nVector Elements after sorting: “)          sortedVector.foreach((element:String) => print(element+” “))      }  }  

Output:

Vector Elements: Hocky Cricket Golf   Vector Elements after adding: Hocky Cricket Golf Racing   Vector Elements after merging: Hocky Cricket Golf Racing Swimming   Vector Elements after reversing: Swimming Racing Golf Cricket Hocky   Vector Elements after sorting: Cricket Golf Hocky Racing Swimming

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