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Scala Queue contains() method with example
  • Last Updated : 18 Oct, 2019

The contains() method is utilized to test if an element is present in the queue or not.

Method Definition: def contains[A1 >: A](elem: A1): Boolean

Return Type: It returns true if the element is present in the queue, else it returns false.

Example #1:




// Scala program of contains() 
// method 
  
// Import Queue  
import scala.collection.mutable._
  
// Creating object 
object GfG 
  
    // Main method 
    def main(args:Array[String]) 
    
        // Creating a queue 
        val q1 = Queue(10, 11, 12, 13, 14)
          
        // Print the queue
        println(q1)
          
        // Applying contains() method 
        val result = q1.contains(12)
          
        // Display output
        print("Queue contains 12: " + result)   
          
    
Output:
Queue(10, 11, 12, 13, 14)
Queue contains 12: true

Example #2:




// Scala program of contains() 
// method 
  
// Import Queue  
import scala.collection.mutable._
  
// Creating object 
object GfG 
  
    // Main method 
    def main(args:Array[String]) 
    
        // Creating a queue 
        val q1 = Queue(10, 11, 12, 13, 14)
          
        // Print the queue
        println(q1)
          
        // Applying contains() method 
        val result = q1.contains(20)
          
        // Display output
        print("Queue contains 20: " + result)   
          
    
Output:
Queue(10, 11, 12, 13, 14)
Queue contains 20: false



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