带有示例的 Scala Queue takeRight() 方法
takeRight()方法用于返回由队列的最后“n”个元素组成的队列。
Method Definition: def takeRight(n: Int):Queue[A]
Return Type: It returns a queue consisting of the last ‘n’ elements of the queue.
示例 #1:
// Scala program of takeRight()
// 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 takeRight method
val result = q1.takeRight(2)
// Display output
print("Queue containing last two elements: " + result)
}
}
输出:
Queue(5, 2, 13, 7, 1)
Queue containing last two elements: Queue(7, 1)
示例 #2:
// Scala program of takeRight()
// 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 takeRight method
val result = q1.takeRight(3)
// Display output
print("Queue containing last three elements: " + result)
}
}
输出:
Queue(5, 2, 13, 7, 1)
Queue containing last three elements: Queue(13, 7, 1)