Scala Queue copyToArray() method with example

Last Updated : 18 Oct, 2019

The copyToArray() method is utilized in copying the elements of the queue to an Array.

Method Definition: def copyToArray[B >: A](xs: Array[B], start: Int, len: Int): Int

Parameters:
xs: It denotes the array where elements are copied.
start: It denotes the starting index for the copy to takes place. Its default value is 0.
len: It denotes the number of elements to copy. Its default value is the length of the set.

Return Type: It returns the elements of the set to an array.

Example #1:

// Scala program of copyToArray()  
// method  
  
// Import Queue   
import scala.collection.mutable._
  
// Creating object  
object GfG  
{  
  
    // Main method  
    def main(args:Array[String])  
    {  
      
        // Creating a queue  
        val q1 = Queue(1, 2, 3)  
          
        // Creating an array 
        val arr: Array[Int] = Array(0, 0, 0, 0, 0)  
          
        // Applying copyToArray method  
        q1.copyToArray(arr)  
          
        // Displays output  
        for(elem <- arr)  
        println(elem)  
      
    }  
}  

Output:

Example #2:

// Scala program of copyToArray()  
// method  
  
// Import Queue   
import scala.collection.mutable._
  
// Creating object  
object GfG  
{  
  
    // Main method  
    def main(args:Array[String])  
    {  
      
        // Creating a queue  
        val q1 = Queue(1, 2, 3)  
          
        // Creating an array 
        val arr: Array[Int] = Array(0, 0, 0, 0, 0)  
          
        // Applying copyToArray method  
        q1.copyToArray(arr, 1, 2)  
          
        // Displays output  
        for(elem <- arr)  
        println(elem)  
      
    }  
}  