Scala Queue take() 方法示例
take()方法用于返回由队列的前“n”个元素组成的队列。
Method Definition: def take(n: Int): Queue[A]
Return Type: It returns a queue consisting of the first ‘n’ elements of the queue.
示例 #1:
// Scala program of take()
// method
// Import Queue
import scala.collection.mutable._
// Creating object
object GfG
{
// Main method
def main(args:Array[String])
{
// Creating a queue
val q1 = Queue(5, 2, 13, 7, 1)
// Print the queue
println(q1)
// Applying take method
val result = q1.take(2)
// Display output
print("Queue containing first two elements: " + result)
}
}
输出:
Queue(5, 2, 13, 7, 1)
Queue containing first two elements: Queue(5, 2)
示例 #2:
// Scala program of take()
// method
// Import Queue
import scala.collection.mutable._
// Creating object
object GfG
{
// Main method
def main(args:Array[String])
{
// Creating a queue
val q1 = Queue(5, 2, 13, 7, 1)
// Print the queue
println(q1)
// Applying take method
val result = q1.take(3)
// Display output
print("Queue containing first three elements: " + result)
}
}
输出:
Queue(5, 2, 13, 7, 1)
Queue containing first three elements: Queue(5, 2, 13)