Scala immutable TreeSet clear() method
In Scala immutable TreeSet class
, the clear() method is utilized to delete all the elements of the TreeSet.
Method Definition: def clear(): Unit
Return Type: It returns an empty TreeSet.
Example #1:
// Scala program of clear() // method // Import TreeSet import scala.collection.immutable. _ // Creating object object GfG { // Main method def main(args : Array[String]) { // Creating TreeSet val t 1 = TreeSet( 2 , 1 , 3 , 4 , 5 ) // Print the TreeSet println( "Before clear method: " + t 1 ) // Applying clear() method val result = t 1 .clear // Displays output println( "After clear method: " + result) } } |
Output:
Before clear method: TreeSet(1, 2, 3, 4, 5) After clear method: ()
Example #2:
// Scala program of clear() // method // Import TreeSet import scala.collection.immutable. _ // 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( "Before clear method: " + t 1 ) // Applying clear() method val result = t 1 .clear // Displays output println( "After clear method: " + result) } } |
Output:
Before clear method: TreeSet(a, e, i, o, u) After clear method: ()