Scala TreeSet -() method with example

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:

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// 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) 
           
    

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Output:

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

Example #2:

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// 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) 
           
    

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Output:

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


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