Scala Queue clear() method with example
The clear() method is utilized to delete all the elements of the queue.
Method Definition: def clear(): Unit
Return Type: It returns an empty queue.
Example #1:
// Scala program of clear() // method // Import Queue import scala.collection.mutable._ // Creating object object GfG { // Main method def main(args:Array[String]) { // Creating a queue val q1 = Queue(10, 11, 12, 13, 14) // Print the queue println("Before clear() method: " + q1) // Applying clear() method q1.clear() // Display output print("After clear() method: " + q1) } } |
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Output:
Before clear() method: Queue(10, 11, 12, 13, 14) After clear() method: Queue()
Example #2:
// Scala program of clear() // method // Import Queue import scala.collection.mutable._ // Creating object object GfG { // Main method def main(args:Array[String]) { // Creating a queue val q1 = Queue("geeks", "for", "geeks") // Print the queue println("Before clear() method: " + q1) // Applying clear() method q1.clear() // Display output print("After clear() method: " + q1) } } |
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Output:
Before clear() method: Queue(geeks, for, geeks) After clear() method: Queue()
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