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 program of -() // method // Import TreeSet import scala.collection.mutable. _
// Creating object object GfG
{ // Main method
def main(args : Array[String])
{
// Creating TreeSet
val t 1 = TreeSet( "a" , "e" , "i" , "o" , "u" )
// Print the TreeSet
println(t 1 )
// Applying -() method
val result = t 1 - ( "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 program of -() // method // Import TreeSet import scala.collection.mutable. _
// Creating object object GfG
{ // Main method
def main(args : Array[String])
{
// Creating TreeSet
val t 1 = TreeSet( 2 , 1 , 5 , 4 , 1 , 3 )
// Print the TreeSet
println(t 1 )
// Applying -() method
val result = t 1 - ( 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)