Scala Set size() 方法与示例
size()方法用于查找集合中元素的数量。
Method Definition: def size: Int
Return Type: It returns the number of elements in the set.
示例 #1:
// Scala program of size()
// method
// Creating object
object GfG
{
// Main method
def main(args:Array[String])
{
// Creating a set
val s1 = Set(1, 2, 3, 4, 5)
// Applying size method
val result = s1.size
// Display output
println(result)
}
}
输出:
5
示例 #2:
// Scala program of size()
// method
// Creating object
object GfG
{
// Main method
def main(args:Array[String])
{
// Creating a set
val s1 = Set(1, 0)
// Applying size method
val result = s1.size
// Display output
println(result)
}
}
输出:
2