Scala Set +() method with example

Scala TreeSet -() method with example

Last Updated : 03 Nov, 2019

In Scala TreeSet class, the -() method is utilized to remove an element from the given TreeSet.

Method Definition: def -(elem: A): TreeSet[A] Return Type: It returns a new TreeSet with an element removed from the given TreeSet.

Example #1:

Scala

// Scala program of -() 
// method 

// Import TreeSet
import scala.collection.mutable._

// Creating object 
object GfG 
{ 

    // Main method 
    def main(args:Array[String]) 
    { 
    
        // Creating TreeSet
        val t1 = TreeSet("a", "e", "i", "o", "u") 
        
        // Print the TreeSet
        println(t1) 
        
        // Applying -() method  
        val result = t1 - ("u")
        
        // Display output 
        print("After removing an element: " + result) 
         
    } 
}

Output:

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

Example #2:

Scala

// Scala program of -() 
// method 

// Import TreeSet
import scala.collection.mutable._

// Creating object 
object GfG 
{ 

    // Main method 
    def main(args:Array[String]) 
    { 
    
        // Creating TreeSet
        val t1 = TreeSet(2, 1, 5, 4, 1, 3) 
        
        // Print the TreeSet
        println(t1) 
        
        // Applying -() method  
        val result = t1 - (1)
        
        // Display output 
        print("After removing an element: " + result) 
         
    } 
}

Output:

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

Scala Set +() method with example

rupesh_rao

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