Interface IDictionary

public interface IDictionary
extends Object
A dictionary with no duplication allowed: old (key, value) pairs are replaced by new pairs.

Method Index

o remove (Object)
returns the object associated with key if key is in this dictionary, null otherwise
o retrieve (Object)
returns the object associated with key if key is in this dictionary, null otherwise
o store (Object, Object)
Post: (key, val) is added to this dictionary, replacing the old pair if any

Methods

o store 
public abstract void store(Object key, Object val)
Post: (key, val) is added to this dictionary, replacing the old pair if any.

o retrieve 
public abstract Object retrieve(Object key)
returns the object associated with key if key is in this dictionary, null otherwise.

o remove 
public abstract Object remove(Object key)
returns the object associated with key if key is in this dictionary, null otherwise. afterwards, calling retrieve (key) will return null.