import scala.collection.mutable.Stack
object StackExample extends App {
val stack = Stack[String]()
// Push elements onto the stack
stack.push("Scala")
stack.push("C")
stack.push("C++")
stack.push("Java")
stack.push("Python")
// Print the full stack
println("Full stack (top to bottom):")
stack.foreach(println)
println()
// Peek at the top element
println(s"Top of stack: ${stack.top}\n")
// Pop elements off the stack
println("Popping elements:")
while (stack.nonEmpty) {
println(stack.pop())
}
println()
// Print the full stack
println("Full stack (top to bottom):")
stack.foreach(println)
}
/*
run:
Full stack (top to bottom):
Python
Java
C++
C
Scala
Top of stack: Python
Popping elements:
Python
Java
C++
C
Scala
Full stack (top to bottom):
*/
