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Interface DataStructures.SearchTree

public interface SearchTree
Protocol for search trees. Note that all "matching" is based on the compares method.

Method Index

o find(Comparable)
Find an item in the tree.
o findMax()
Find the largest item the tree.
o findMin()
Find the smallest item in the tree.
o insert(Comparable)
Insert into the tree.
o isEmpty()
Test if the tree is logically empty.
o makeEmpty()
Make the tree logically empty.
o printTree()
Print the tree contents in sorted order.
o remove(Comparable)
Remove from the tree.
o removeMin()
Remove the smallest item from the tree.

Methods

o insert 
public abstract void insert(Comparable x) throws DuplicateItem
Insert into the tree.

Parameters:
x - the item to insert.
Throws: DuplicateItem
if an item that matches x is already in the tree.
o remove 
public abstract void remove(Comparable x) throws ItemNotFound
Remove from the tree.

Parameters:
x - the item to remove.
Throws: ItemNotFound
if no item that matches x can be found in the tree.
o removeMin 
public abstract void removeMin() throws ItemNotFound
Remove the smallest item from the tree.

Throws: ItemNotFound
if the tree is empty.
o findMin 
public abstract Comparable findMin() throws ItemNotFound
Find the smallest item in the tree.

Returns:
the smallest item.
Throws: ItemNotFound
if the tree is empty.
o findMax 
public abstract Comparable findMax() throws ItemNotFound
Find the largest item the tree.

Returns:
the largest item.
Throws: ItemNotFound
if the tree is empty.
o find 
public abstract Comparable find(Comparable x) throws ItemNotFound
Find an item in the tree.

Parameters:
x - the item to search for.
Returns:
the matching item.
Throws: ItemNotFound
if no item that matches x can be found in the tree.
o makeEmpty 
public abstract void makeEmpty()
Make the tree logically empty.

o isEmpty 
public abstract boolean isEmpty()
Test if the tree is logically empty.

Returns:
true if empty, false otherwise.
o printTree 
public abstract void printTree()
Print the tree contents in sorted order. 

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