The count() method is utilized to count the number of elements in the set.
Scala
Scala
Method Definition: def count(p: (A) => Boolean): Int Return Type: It returns the number of elements present in the set.Example #1:
// Scala program of count()
// method
// Creating object
object GfG
{
// Main method
def main(args:Array[String])
{
// Creating sets
val s1 = Set(1, 2, 3, 4, 5)
// Applying count method
val result = s1.count(z=>true)
// Displays output
println(result)
}
}
Output:
Example #2:
5
// Scala program of count()
// method
// Creating object
object GfG
{
// Main method
def main(args:Array[String])
{
// Creating sets
val s1 = Set()
// Applying count method
val result = s1.count(z=>true)
// Displays output
println(result)
}
}
Output:
0