스칼라 강좌 (9) - Stack / Queue

 

Queue 

 

mutable

val queue = new scala.collection.mutable.Queue[String]
queue += "a"
queue ++= List("b", "c")
println(queue.dequeue) => a 

 

 

Stack 

mutable

val stack = new scala.collection.mutable.Stack[Int]
stack.push(1)
stack.push(2)
println(stack.pop) => 2

 

 

 

각각 immutable 타입도 존재한다.