Question

How to get the first element of a queue in Scala

Answer 1

import scala.collection.mutable._

object O {
    def main(args: Array[String]): Unit = {
        val q = Queue(7, 8, 0, 1, 4)  

        var firstElement = q.front  
        
        printf("%d\n", firstElement)
        print(q.front)
    }
}
     
     
     
     
/*
run:
     
7
7

*/

 

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