In Scala immutable TreeSet class the mkString() method is utilised to display all the elements of the TreeSet in a string along with a separator.
Method Definition: def mkString(sep: String): String
Return Type: It returns all the elements of the TreeSet in a string along with a separator.
Example #1:
// Scala program of mkString() // method // Import TreeSet import scala.collection.immutable. _
// Creating object object GfG
{ // Main method
def main(args : Array[String])
{
// Creating TreeSet
val t 1 = TreeSet( 3 , 1 , 5 , 2 , 4 )
// Print the TreeSet
println(t 1 )
// Applying mkString method
val result = t 1 .mkString( ", " )
// Displays output
print( "TreeSet: " + result)
}
} |
Output:
TreeSet(1, 2, 3, 4, 5) TreeSet: 1, 2, 3, 4, 5
Example #2:
// Scala program of mkString() // method // Import TreeSet import scala.collection.immutable. _
// Creating object object GfG
{ // Main method
def main(args : Array[String])
{
// Creating TreeSet
val t 1 = TreeSet( "u" , "a" , "i" , "o" , "e" )
// Print the TreeSet
println(t 1 )
// Applying mkString method
val result = t 1 .mkString( ", " )
// Displays output
print( "TreeSet: " + result)
}
} |
Output:
TreeSet(a, e, i, o, u) TreeSet: a, e, i, o, u
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