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Scala Queue copyToArray() method with example

Last Updated : 18 Oct, 2019
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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
// 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:
1
2
3
0
0
Example #2: Scala
// 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) 
    
    } 
} 
Output:
0
1
2
0
0

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