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Scala Queue find() method with example
  • Last Updated : 24 Oct, 2019

The find() method is utilized to return an element that satisfy a given predicate in the queue.

Method Definition: def find(p: (A) => Boolean): Option[A]

Return Type: It returns the first element that satisfies a given predicate if present or else it returns None.

Example #1:

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// Scala program of find() 
// method 
  
// Import Queue  
import scala.collection.mutable._
  
// Creating object 
object GfG 
  
    // Main method 
    def main(args:Array[String]) 
    
      
        // Creating queues 
        val q1 = Queue(1, 3, 2, 7, 6, 5
          
        // Print the queue
        println(q1)
          
        // Applying find method 
        val result = q1.find(x => {x % 7 == 0}) 
          
        // Displays output 
        print("Element divisible by 7: " + result)
    

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Output:

Queue(1, 3, 2, 7, 6, 5)
Element divisible by 7: Some(7)

Example #2:

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// Scala program of find() 
// method 
  
// Import Queue  
import scala.collection.mutable._
  
// Creating object 
object GfG 
  
    // Main method 
    def main(args:Array[String]) 
    
      
        // Creating queues 
        val q1 = Queue(1, 3, 2, 7, 6, 5
          
        // Print the queue
        println(q1)
          
        // Applying find method 
        val result = q1.find(x => {x % 10 == 0}) 
          
        // Displays output 
        print("Element divisible by 10: " + result)
    

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Output:

Queue(1, 3, 2, 7, 6, 5)
Element divisible by 10: None



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