scala> val stack = new scala.collection.mutable.Stack[Int] |
stack: scala.collection.mutable.Stack[Int] = Stack() |
scala> stack.push(1) |
res0: stack.type = Stack(1) |
scala> stack |
res1: scala.collection.mutable.Stack[Int] = Stack(1) |
scala> stack.push(2) |
res0: stack.type = Stack(1, 2) |
scala> stack |
res3: scala.collection.mutable.Stack[Int] = Stack(1, 2) |
scala> stack.top |
res8: Int = 2 |
scala> stack |
res9: scala.collection.mutable.Stack[Int] = Stack(1, 2) |
scala> stack.pop |
res10: Int = 2 |
scala> stack |
res11: scala.collection.mutable.Stack[Int] = Stack(1)
|