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Class aioli.vtp.TreeStack 

java.lang.Object
   |
   +----aioli.vtp.TreeStack
public class TreeStack
extends Object
Just a simple tree stack

Constructor Index

o TreeStack()
Creates an empty stack

Method Index

o pop()
Pops the top of the stack
o push(Tree)
Pushes an element ontop of the stack
o top()
Returns the top of the stack

Constructors

o TreeStack 
 public TreeStack()
Creates an empty stack

Methods

o pop 
 public Tree pop()
Pops the top of the stack

Returns:
the top of the stack, or null if the stack is empty
o push 
 public void push(Tree tree)
Pushes an element ontop of the stack

Parameters:
tree - the tree to be pushed
o top 
 public Tree top()
Returns the top of the stack

Returns:
the top of the stack, or null if the stack is empty 
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