oracle.adfnmc.java.util
Class Stack

java.lang.Object
  oracle.adfnmc.java.util.AbstractCollection
      oracle.adfnmc.java.util.AbstractList
          oracle.adfnmc.java.util.Vector
              oracle.adfnmc.java.util.Stack

All Implemented Interfaces:

Serializable, Cloneable, Iterable, Collection, List, RandomAccess

public class Stack
extends Vector

Stack is a Last-In/First-Out(LIFO) data structure which represents a stack of objects. It enables users to pop and push onto the stack, including null objects. There is no limit to the size of the stack

Field Summary

Fields inherited from class oracle.adfnmc.java.util.Vector

capacityIncrement, elementCount, elementData

Fields inherited from class oracle.adfnmc.java.util.AbstractList

modCount

Constructor Summary

Stack()
Constructs a stack with the default size of Vector.

Stack(Stack s)

Method Summary

boolean	empty() Determines if the stack is empty or not.
java.lang.Object	peek() Returns the element at the top of the stack without removing it.
java.lang.Object	pop() Returns the element at the top of the stack and removes it.
java.lang.Object	push(java.lang.Object object) Pushes the object from the parameter onto the top of the stack.
int	search(java.lang.Object object) Returns the index of the first occurrence of the object.

Methods inherited from class oracle.adfnmc.java.util.Vector

add, add, addAll, addAll, addElement, capacity, clear, clone, contains, containsAll, copyInto, elementAt, elements, ensureCapacity, equals, firstElement, get, hashCode, indexOf, indexOf, insertElementAt, isEmpty, lastElement, lastIndexOf, lastIndexOf, remove, remove, removeAll, removeAllElements, removeElement, removeElementAt, removeRange, retainAll, set, setElementAt, setSize, size, subList, toArray, toArray, toString, trimToSize

Methods inherited from class oracle.adfnmc.java.util.AbstractList

iterator, listIterator, listIterator

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface oracle.adfnmc.java.util.List

iterator, listIterator, listIterator

Constructor Detail

Stack

public Stack()

Constructs a stack with the default size of Vector.

Stack

public Stack(Stack s)

Method Detail

empty

public boolean empty()

Determines if the stack is empty or not.

Returns:

true if the stack is empty, false otherwise

peek

public java.lang.Object peek()

Returns the element at the top of the stack without removing it.

Returns:

the element at the top of the Stack

Throws:

EmptyStackException - when empty() is true

See Also:

pop()

pop

public java.lang.Object pop()

Returns the element at the top of the stack and removes it.

Returns:

the element at the top of the stack.

Throws:

EmptyStackException - when empty() is true

See Also:

peek(), push(java.lang.Object)

push

public java.lang.Object push(java.lang.Object object)

Pushes the object from the parameter onto the top of the stack.

Parameters:

object - The object to be added to the stack

Returns:

the object argument

See Also:

peek(), pop()

search

public int search(java.lang.Object object)

Returns the index of the first occurrence of the object.

Parameters:

object - the object to be searched

Returns:

the index of the first occurrence of the object