Scala TreeSet sum() method with example

Scala TreeSet +() method with example

Last Updated : 03 Nov, 2019

In Scala TreeSet class, the +() method is utilized to add an element to the TreeSet unless it is already present.

Method Definition: def +(elem: A): TreeSet[A]

Return Type: It returns a new TreeSet with an additional element unless the element is already present.

Example #1:

// Scala program of +()  
// method  
  
// Import TreeSet 
import scala.collection.mutable._
  
// Creating object  
object GfG  
{  
  
    // Main method  
    def main(args:Array[String])  
    {  
      
        // Creating TreeSets 
        val t1 = TreeSet("a", "e", "i", "o")  
          
        // Print the TreeSets 
        println(t1)  
          
        // Applying +() method   
        val result = t1 + ("u") 
          
        // Display output  
        print("After adding an element: " + result)  
           
    }  
}  

Output:

TreeSet(a, e, i, o)
After adding an element: TreeSet(a, e, i, o, u)

Example #2:

// Scala program of +()  
// method  
  
// Import TreeSet 
import scala.collection.mutable._
  
// Creating object  
object GfG  
{  
  
    // Main method  
    def main(args:Array[String])  
    {  
      
        // Creating TreeSets 
        val t1 = TreeSet(2, 1, 5, 4, 1)  
          
        // Print the TreeSets 
        println(t1)  
          
        // Applying +() method   
        val result = t1 + (3) 
          
        // Display output  
        print("After adding an element: " + result)  
           
    }  
}  

Output:

TreeSet(1, 2, 4, 5)
After adding an element: TreeSet(1, 2, 3, 4, 5)

Scala TreeSet sum() method with example

rupesh_rao

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