Scala Set take() 方法与示例
take()方法用于返回由集合的前“n”个元素组成的集合。
Method Definition: def take(n: Int): Set[A]
Where ‘n’ is specifies the number of element to select.
Return Type: It returns a set consisting of first ‘n’ elements of the set.
示例 #1:
// Scala program of take()
// method
// Creating object
object GfG
{
// Main method
def main(args:Array[String])
{
// Creating a set
val s1 = Set(1, 2, 3, 4)
// Applying take method
val result = s1.take(2)
// Display output
println(result)
}
}
输出:
Set(5, 1)
示例 #2:
// Scala program of take()
// method
// Creating object
object GfG
{
// Main method
def main(args:Array[String])
{
// Creating a set
val s1 = Set(41, 12, 23, 43)
// Applying take method
val result = s1.take(3)
// Display output
println(result)
}
}
输出:
Set(41, 12, 23)