Program to convert Java list of Strings to Traversable in Scala
Last Updated :
03 Jan, 2020
A java list of Strings can be converted to a Traversable collection in Scala by utilizing toTraversable method of Java in Scala. Here, you need to import Scala’s JavaConversions object in order to make this conversions work.
Now, lets see some examples and then discuss how it works in details.
Example:1#
import scala.collection.JavaConversions. _
object GfG
{
def main(args : Array[String])
{
val list = new java.util.ArrayList[String]()
list.add( "i" )
list.add( "am" )
list.add( "good" )
val tra = list.toTraversable
println(tra)
}
}
|
Output:
Buffer(i, am, good)
Here, the stated output is in same order as stated in the given list.
Example:2#
import scala.collection.JavaConversions. _
object GfG
{
def main(args : Array[String])
{
val list = new java.util.ArrayList[String]()
list.add( "i" )
list.add( "am a" )
list.add( "girl" )
val tra = list.toTraversable
println(tra)
}
}
|
Output:
Buffer(i, am a, girl)
Here, the strings with lesser number of words are displayed first and strings of greater length are displayed at last.
Reference:
https://alvinalexander.com/scala/how-to-go-from-java-collections-convert-in-scala-interact.
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