public class ObjectStack extends ObjectVector
m_blocksize, m_firstFree, m_map, m_mapSize
Constructor and Description |
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ObjectStack()
Default constructor.
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ObjectStack(int blocksize)
Construct a ObjectVector, using the given block size.
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ObjectStack(ObjectStack v)
Copy constructor for ObjectStack
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Modifier and Type | Method and Description |
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Object |
clone()
Returns clone of current ObjectStack
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boolean |
empty()
Tests if this stack is empty.
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Object |
peek()
Looks at the object at the top of this stack without removing it
from the stack.
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Object |
peek(int n)
Looks at the object at the position the stack counting down n items.
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Object |
pop()
Removes the object at the top of this stack and returns that
object as the value of this function.
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Object |
push(Object i)
Pushes an item onto the top of this stack.
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void |
quickPop(int n)
Quickly pops a number of items from the stack.
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int |
search(Object o)
Returns where an object is on this stack.
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void |
setTop(Object val)
Sets an object at a the top of the statck
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addElement, addElements, addElements, contains, elementAt, indexOf, indexOf, insertElementAt, lastIndexOf, removeAllElements, removeElement, removeElementAt, setElementAt, setSize, setToSize, size
public ObjectStack()
public ObjectStack(int blocksize)
blocksize
- Size of block to allocatepublic ObjectStack(ObjectStack v)
v
- ObjectStack to copypublic Object push(Object i)
i
- the int to be pushed onto this stack.item
argument.public Object pop()
public void quickPop(int n)
public Object peek()
EmptyStackException
- if this stack is empty.public Object peek(int n)
n
- The number of items down, indexed from zero.EmptyStackException
- if this stack is empty.public void setTop(Object val)
val
- object to set at the topEmptyStackException
- if this stack is empty.public boolean empty()
true
if this stack is empty;
false
otherwise.public int search(Object o)
o
- the desired object.-1
indicates that the
object is not on the stack.public Object clone() throws CloneNotSupportedException
clone
in class ObjectVector
CloneNotSupportedException
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