Scala Stack clear() method with example
In Scala Stack class
, the clear() method is utilized to delete all the elements of the stack.
Method Definition: def clear(): Unit
Return Type: It returns an empty queue.
Example #1:
// Scala program of clear() // method // Import Stack import scala.collection.mutable. _ // Creating object object GfG { // Main method def main(args : Array[String]) { // Creating stack val s 1 = Stack( 1 , 2 , 3 , 4 , 5 ) // Print the stack println( "Before clear() method: " + s 1 ) // Applying clear method val result = s 1 .clear // Displays output print( "After clear() method: " + result) } } |
Output:
Before clear() method: Stack(1, 2, 3, 4, 5) After clear() method: ()
Example #2:
// Scala program of clear() // method // Import Stack import scala.collection.mutable. _ // Creating object object GfG { // Main method def main(args : Array[String]) { // Creating stack val s 1 = Stack( "Beginner" , "for" , "Beginner" ) // Print the stack println( "Before clear() method: " + s 1 ) // Applying clear method val result = s 1 .clear // Displays output print( "After clear() method: " + result) } } |
Output:
Before clear() method: Stack(Beginner, for, Beginner) After clear() method: ()
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