Scala immutable TreeSet foreach() method
Last Updated :
19 Apr, 2020
In Scala immutable TreeSet class
, the foreach() method is utilized to apply a given function to all the elements of the TreeSet.
Method Definition: def foreach[U](f: (A) => U): Unit
Return Type: It returns all the elements of the TreeSet after applying the given function to each of them.
Example #1:
import scala.collection.immutable. _
object GfG
{
def main(args : Array[String])
{
val t 1 = TreeSet( 2 , 4 , 6 , 7 , 8 , 9 )
println(t 1 )
print( "Elements in the TreeSet: " )
t 1 .foreach(x => print(x + " " ))
}
}
|
Output:
TreeSet(2, 4, 6, 7, 8, 9)
Elements in the TreeSet: 2 4 6 7 8 9
Example #2:
import scala.collection.immutable. _
object GfG
{
def main(args : Array[String])
{
val t 1 = TreeSet( 2 , 4 , 6 , 7 , 8 , 9 )
println(t 1 )
t 1 .foreach(x => println(x + " times " + x + " = " + x*x))
}
}
|
Output:
TreeSet(2, 4, 6, 7, 8, 9)
2 times 2 = 4
4 times 4 = 16
6 times 6 = 36
7 times 7 = 49
8 times 8 = 64
9 times 9 = 81
Share your thoughts in the comments
Please Login to comment...