Scala Queue sum() 方法与示例
sum()方法用于返回队列中所有元素的总和。
Method Definition: def sum: A
Return Type: It returns the sum of all the elements of the queue.
示例 #1:
// Scala program of sum()
// 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, 2, 3, 4, 5)
// Print the queue
println(q1)
// Applying sum method
val result = q1.sum
// Display output
print("Sum of all elements of the queue: " + result)
}
}
输出:
Queue(1, 2, 3, 4, 5)
Sum of all elements of the queue: 15
示例 #2:
// Scala program of sum()
// 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 sum method
val result = q1.sum
// Display output
print("Sum of all elements of the queue: " + result)
}
}
输出:
Queue(5, 2, 13, 7, 1)
Sum of all elements of the queue: 28