Package com.adobe.internal.util

Interface Stack<T>

All Known Implementing Classes:
ArrayListStack
public interface Stack<T>

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    clear()
     
    boolean
    empty()
    Tests if stack is empty.
    T
    peek()
    Returns item from the top of the stack.
    T
    pop()
    Removes and returns item from the top of the stack.
    T
    push(T x)
    Adds an item to the top of the stack.
    int
    size()
    Returns the size of the stack.

  • Method Details

    • push

      T push(T x)
      Adds an item to the top of the stack.
      Parameters:
      x - the item to add.
      Returns:
      the item added.

    • pop

      T pop()
      Removes and returns item from the top of the stack.
      Returns:
      the former top item.
      Throws:
      EmptyStackException - if stack is empty.

    • peek

      T peek()
      Returns item from the top of the stack.
      Returns:
      the top item.
      Throws:
      EmptyStackException - if stack is empty.

    • empty

      boolean empty()
      Tests if stack is empty.
      Returns:
      true if the stack is empty; false otherwise.

    • size

      int size()
      Returns the size of the stack.
      Returns:
      the size of the stack.

    • clear

      void clear()