Question

How to concatenate sets in Scala

Answer 1

object MyClass {
    def main(args: Array[String]): Unit = {
        val st1 = Set("javascript", "scala", "java")
        val st2 = Set("c", "c++")

        var st = st1 ++ st2
        println(st)

        for(s<-st) { 
            println(s);
        }
    }
}
 
 
 
 
/*
run:
 
HashSet(java, c++, scala, c, javascript)
java
c++
scala
c
javascript
 
*/

 

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