jds
Interface Map

All Known Implementing Classes:

MapAdapter

public abstract interface Map

extends Collection

Map - collection of key/value pairs; for use with book Classic Data Structures in Java by Timothy A Budd, published by Addison-Wesley, 2001.

See Also:

Collection

Fields inherited from class java.io.Serializable

serialVersionUID

Method Summary

boolean	containsKey(java.lang.Object key) see if collection contains element with given key
java.lang.Object	get(java.lang.Object key) return object stored under given key
void	removeKey(java.lang.Object key) remove element with given key
void	set(java.lang.Object key, java.lang.Object value) establish new key/value connection, or replace value associated with key

Methods inherited from interface jds.Collection

elements, isEmpty, size

Method Detail

containsKey

public boolean containsKey(java.lang.Object key)

see if collection contains element with given key

Parameters:

key - index for element to be tested

Returns:

true if collection has entry with given key

get

public java.lang.Object get(java.lang.Object key)

return object stored under given key

Parameters:

key - index for element to be accessed

Returns:

value of object stored with given key

Throws:

java.util.NoSuchElementException - no value with given key

removeKey

public void removeKey(java.lang.Object key)

remove element with given key

Parameters:

key - index for element to be removed

Throws:

java.util.NoSuchElementException - no value with given key

set

public void set(java.lang.Object key,
                java.lang.Object value)

establish new key/value connection, or replace value associated with key

Parameters:

key - index for element to be tested

value - element to be associated with key