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:
// 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:
// 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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