Scala immutable TreeSet –() method
In Scala immutable TreeSet class
, the –() method is utilised to subtract elements of one TreeSet to another TreeSet.
Method Definition: def –(that: IterableOnce[A]): TreeSet[A]
Return Type: It returns a new TreeSet which contains the element from A – B TreeSets.
Example #1:
// Scala program of --() // method // Import TreeSet import scala.collection.immutable. _ // Creating object object GfG { // Main method def main(args : Array[String]) { // Creating TreeSets val t 1 = TreeSet( "g" , "e" , "e" , "k" , "s" ) val t 2 = TreeSet( "a" , "e" , "i" , "o" , "u" ) // Print the TreeSets println(t 1 ) println(t 2 ) // Applying --() method val result = t 1 -- t 2 // Display output print( "Combined TreeSet: " + result) } } |
Output:
TreeSet(e, g, k, s) TreeSet(a, e, i, o, u) Combined TreeSet: TreeSet(g, k, s)
Example #2:
// Scala program of --() // method // Import TreeSet import scala.collection.immutable. _ // Creating object object GfG { // Main method def main(args : Array[String]) { // Creating TreeSets val t 1 = TreeSet( 1 , 6 , 3 , 2 , 5 ) val t 2 = TreeSet( 2 , 1 , 5 , 4 , 1 ) // Print the TreeSets println(t 1 ) println(t 2 ) // Applying --() method val result = t 1 -- t 2 // Display output print( "Combined TreeSet: " + result) } } |
Output:
TreeSet(1, 2, 3, 5, 6) TreeSet(1, 2, 4, 5) Combined TreeSet: TreeSet(3, 6)