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Scala Iterator mkString() method with example

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  • Last Updated : 13 Aug, 2019
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The mkString() method belongs to the concrete value member of the class Abstract Iterator. It is utilized to display all the elements of the collection in a string.
Method Definition:

val result = iter.mkString

Here, we are storing string in result variable.
Return Type:
It returns the string representation of the stated collection.
Example #1:




// Scala program of mkString()
// method
  
// Creating object
object GfG
  
    // Main method
    def main(args:Array[String])
    {
      
        // Creating an Iterator 
        val iter = Iterator(3, 6, 15, 19, 21)
          
        // Applying mkString method
        val result = iter.mkString
          
        // Displays output
        println(result)
      
    }
}

Output:

36151921

Example #2:




// Scala program of mkString()
// method
  
// Creating object
object GfG
  
    // Main method
    def main(args:Array[String])
    {
      
        // Creating an Iterator 
        val iter = Iterator(0, 0, 1)
          
        // Applying mkString method
        val result = iter.mkString
          
        // Displays output
        println(result)
      
    }
}

Output:

001

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