Scala SortedSet count() 方法示例
count()方法用于计算 SortedSet 中元素的数量。
Method Definition: def count(p: (A) => Boolean): Int
Return Type: It returns the number of elements present in the SortedSet.
示例 #1:
// Scala program of count()
// method
import scala.collection.immutable.SortedSet
// Creating object
object GfG
{
// Main method
def main(args:Array[String])
{
// Creating SortedSets
val s1 = SortedSet(1, 2, 3, 4, 5)
// Applying count method
val result = s1.count(z=>true)
// Displays output
println(result)
}
}
输出:
5
示例 #2:
// Scala program of count()
// method
import scala.collection.immutable.SortedSet
// Creating object
object GfG
{
// Main method
def main(args:Array[String])
{
// Creating SortedSets
val s1 = SortedSet(7, 6, 4)
// Applying count method
val result = s1.count(z=>true)
// Displays output
println(result)
}
}
输出:
3