Scala Mutable SortedSet head() method

In Scala mutable collections, SortedSet head() method is utilized to display the first element of the SortedSet.

Method Definition: def head: A

Return Type: It returns the first element of the SortedSet.

Example #1:

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// Scala program of head() 
// method 
import scala.collection.mutable.SortedSet 
  
// Creating object 
object GfG 
  
    // Main method 
    def main(args:Array[String]) 
    
        // Creating a SortedSet 
        val s1 = SortedSet(12, 15, 14, 13
          
        // Applying head method 
        val result = s1.head
          
        // Display output
        println(result)
    

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Output:

12

Example #2:

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// Scala program of head() 
// method 
import scala.collection.mutable.SortedSet 
  
// Creating object 
object GfG 
  
    // Main method 
    def main(args:Array[String]) 
    
        // Creating a SortedSet 
        val s1 = SortedSet(6, 7, 5, 4, 1
          
        // Applying head method 
        val result = s1.head
          
        // Display output
        println(result)
    

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Output:

1



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