## org.opencyc.util
Class StackWithPointer

    java.lang.Object
      |
      +--java.util.AbstractCollection
            |
            +--java.util.AbstractList
                  |
                  +--java.util.Vector
                        |
                        +--java.util.Stack
                              |
                              +--org.opencyc.util.StackWithPointer

All Implemented Interfaces:
  java.lang.Cloneable, java.util.Collection, java.util.List, java.io.Serializable

public class StackWithPointer
extends java.util.Stack

Extends the `Stack` class to provide a stack pointer.

Author:
  Stephen L. Reed

  Copyright 2001 Cycorp, Inc., license is open source GNU LGPL.

  the license

  www.opencyc.org

  OpenCyc at SourceForge

  THIS SOFTWARE AND KNOWLEDGE BASE CONTENT ARE PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OPENCYC ORGANIZATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE AND KNOWLEDGE BASE CONTENT, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

See Also:
  Serialized Form

Field Summary
`int` `sp` Stack pointer.

Fields inherited from class java.util.Vector
`capacityIncrement, elementCount, elementData`

Fields inherited from class java.util.AbstractList
`modCount`

Constructor Summary
`StackWithPointer()` Constructs a new empty `StackWithPointer`object.``

Method Summary
`java.lang.Object` `pop()` Returns the top of the stack, setting the new top of stack item.
`java.lang.Object` `push(java.lang.Object item)` Pushes the argument onto the stack.

Methods inherited from class java.util.Stack
`empty, peek, search`

Methods inherited from class 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 java.util.AbstractList
`iterator, listIterator, listIterator`

Methods inherited from class java.lang.Object
`finalize, getClass, notify, notifyAll, wait, wait, wait`

Methods inherited from interface java.util.List
`iterator, listIterator, listIterator`

Field Detail

### sp

    public int sp

  Stack pointer.

Constructor Detail

### StackWithPointer

    public StackWithPointer()

  Constructs a new empty `StackWithPointer`object.``

Method Detail

### push

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

  Pushes the argument onto the stack.
  Overrides:
    `push` in class `java.util.Stack`
  Parameters:
    `item` - object to be pushed onto the `Stack`
  Returns:
    Object that was pushed onto the `Stack`

### pop

    public java.lang.Object pop()

  Returns the top of the stack, setting the new top of stack item.
  Overrides:
    `pop` in class `java.util.Stack`
  Returns:
    `Object` that was on the top of the `Stack`