Scala TreeSet isEmpty() method with example
The isEmpty() is utilized to check if the TreeSet is empty or not.
Method Definition: def isEmpty: Boolean
Return Type: It returns true if the TreeSet is empty or else it returns false.
Example #1:
// Scala program of isEmpty() // method // Import TreeSet import scala.collection.mutable. _ // Creating object object GfG { // Main method def main(args : Array[String]) { // Creating TreeSet val q 1 = TreeSet( 1 , 2 , 3 , 4 , 5 ) // Print the TreeSet println(q 1 ) // Applying isEmpty method val result = q 1 .isEmpty // Displays output print( "TreeSet is empty: " + result) } } |
Output:
TreeSet(1, 2, 3, 4, 5) TreeSet is empty: false
Example #2:
// Scala program of isEmpty() // method // Import TreeSet import scala.collection.mutable. _ // Creating object object GfG { // Main method def main(args : Array[String]) { // Creating TreeSet val q 1 = TreeSet[Int]() // Print the TreeSet println(q 1 ) // Applying isEmpty method val result = q 1 .isEmpty // Displays output print( "TreeSet is empty: " + result) } } |
Output:
TreeSet() TreeSet is empty: true
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