How to print a list in Scala
In Scala, list is defined under scala.collection.immutable
package. A list is a collection of same type elements which contains immutable data.
There are multiple ways to create a List in Scala. Let’s see few basic on how to create a Scala List.
- Create an empty List
Example :// Scala program to create an empty list
import
scala.collection.immutable.
_
// Creating object
object
GFG
{
// Main method
def
main(args
:
Array[String])
{
// Creating an Empty List.
val
emptylist
:
List[Nothing]
=
List()
println(
"The empty list is: "
+ emptylist)
}
}
Output:
The empty list is: List()
- Create a simple list
Example :// Scala program to create a simple Immutable lists
import
scala.collection.immutable.
_
// Creating object
object
GFG
{
// Main method
def
main(args
:
Array[String])
{
// Creating and initializing immutable lists
val
mylist
:
List[String]
=
List(
"Beginner"
,
"For"
,
"Beginner"
)
// Display the value of mylist1
println(
"List is: "
+ mylist)
}
}
Output:
List is: List(Beginner, For, Beginner)
- Using for loop to print elements of List
Example :// Scala program to print immutable lists
import
scala.collection.immutable.
_
// Creating object
object
GFG
{
// Main method
def
main(args
:
Array[String])
{
// Creating and initializing immutable lists
val
mylist
:
List[String]
=
List(
"Beginner"
,
"For"
,
"Beginner"
,
"is"
,
"a"
,
"fabulous"
,
"portal"
)
// Display the value of mylist using for loop
for
(element
<
-mylist)
{
println(element)
}
}
}
Output:
Beginner For Beginner is a fabulous portal
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