stack
Interface Stack<E>

All Known Implementing Classes:
StackDinamico, StackStatico

public interface Stack<E>


Method Summary
 boolean empty()
          Tests if this stack is empty.
 int howMany()
          Returns the number of elements inside the Stack.
 E peek()
          Looks at the object at the top of this stack without removing it from the stack.
 E pop()
          Removes the object at the top of this stack and returns that object as the value of this function.
 E push(E item)
          Pushes an item onto the top of this stack.
 int search(E o)
          Returns the 1-based position where an object is on this stack.
 

Method Detail

empty

boolean empty()
Tests if this stack is empty.


peek

E peek()
Looks at the object at the top of this stack without removing it from the stack.


pop

E pop()
Removes the object at the top of this stack and returns that object as the value of this function.


push

E push(E item)
Pushes an item onto the top of this stack.


search

int search(E o)
Returns the 1-based position where an object is on this stack.


howMany

int howMany()
Returns the number of elements inside the Stack.