Scala Queue last() 方法与示例
last()方法用于返回队列的最后一个元素。
Method Definition: def last: A
Return Type: It returns the last element of the queue.
示例 #1:
// Scala program of last()
// method
// Import Queue
import scala.collection.mutable._
// Creating object
object GfG
{
// Main method
def main(args:Array[String])
{
// Creating a queue
val q1 = Queue(1, 3, 2, 7, 6, 5)
// Print the queue
println(q1)
// Applying last method
val result = q1.last
// Display output
print("The last element of the queue: " + result)
}
}
输出:
Queue(1, 3, 2, 7, 6, 5)
The last element of the queue: 5
示例 #2:
// Scala program of last()
// 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, 3, 2, 7, 6, 1)
// Print the queue
println(q1)
// Applying last method
val result = q1.last
// Display output
print("The last element of the queue: " + result)
}
}
输出:
Queue(5, 3, 2, 7, 6, 1)
The last element of the queue: 1