com.theorem.radserver3.radutil
Class IntMap

Object
  IntMap

All Implemented Interfaces:

Map

public class IntMap

extends Object

implements Map

Class to map primitive integers (int) to objects.

Nested Class Summary

Nested classes inherited from class Map

Map.Entry

Constructor Summary

IntMap()
Default constructor.

IntMap(int initialCapacity)
Constructor to set the initial capacity.

Method Summary

void	clear() Clear the table.
void	clear(int initialCapacity) Clear the table and recreate it with a new initial capacity.
boolean	containsKey(int key) Returns true if the table contains the key.
boolean	containsKey(Object key) Returns true if the table contains the key.
boolean	containsValue(Object value) Returns true if this map maps one or more keys to the specified value.
Set	entrySet() Get the set of values.
Object	get(int key) Get a value given the key.
Object	get(Object key) Get a value given the key.
boolean	isEmpty() Returns true if the tableis empty.
Iterator	keyIterator() Return an iteration of keys.
Set	keySet() Get the Set of keys.
static void	main(String[] arg)
Object	put(int key, Object value) Put a key / value pair into the map.
Object	put(Object key, Object value) Put a key / value pair into the map.
void	putAll(Map m) Put a Map into the table.
Object	remove(int key) Remove a key / value from the table.
Object	remove(Object key) Remove a key / value from the table.
int	size() Return the number of elements in the table.
String	toString()
Collection	values() Get the values in the map as a Collection

Methods inherited from class Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface Map

equals, hashCode

Constructor Detail

IntMap

public IntMap()

Default constructor.

IntMap

public IntMap(int initialCapacity)

Constructor to set the initial capacity.

Parameters:

initialCapacity - Initial capacity of the map.

Method Detail

clear

public void clear()

Clear the table.

Specified by:

clear in interface Map

clear

public void clear(int initialCapacity)

Clear the table and recreate it with a new initial capacity.

Parameters:

initialCapacity - New initial capacity.

containsKey

public boolean containsKey(int key)

Returns true if the table contains the key.

Parameters:

key - Key.

Returns:

Object or null if there is no object associated with the key.

containsKey

public boolean containsKey(Object key)

Returns true if the table contains the key.

Specified by:

containsKey in interface Map

Parameters:

key - Key Object (always in Integer).

Returns:

Object or null if there is no object associated with the key.

containsValue

public boolean containsValue(Object value)

Returns true if this map maps one or more keys to the specified value. Not implemented, always return false.

Specified by:

containsValue in interface Map

Parameters:

value - Value.

Returns:

true if the map contains this value.

entrySet

public Set entrySet()

Get the set of values.

Specified by:

entrySet in interface Map

Returns:

Set of values.

get

public Object get(int key)

Get a value given the key.

Parameters:

key - Key.

Returns:

Object or null if there is not object associated with the key.

get

public Object get(Object key)

Get a value given the key.

Specified by:

get in interface Map

Parameters:

key - Key object (always an Integer).

Returns:

Object or null if there is not object associated with the key.

isEmpty

public boolean isEmpty()

Returns true if the tableis empty.

Specified by:

isEmpty in interface Map

Returns:

true if the table is empty.

keyIterator

public Iterator keyIterator()

Return an iteration of keys.

keySet

public Set keySet()

Get the Set of keys.

Specified by:

keySet in interface Map

Returns:

set of keys. This is a set containing Integers.

main

public static void main(String[] arg)

put

public Object put(int key,
                  Object value)

Put a key / value pair into the map.

Parameters:

key - Key.

value - Value.

Returns:

Previous value for this key or null if there was none.

put

public Object put(Object key,
                  Object value)

Put a key / value pair into the map.

Specified by:

put in interface Map

Parameters:

key - Key (of type Integer).

value - Value.

Returns:

Previous value for this key or null if there was none.

putAll

public void putAll(Map m)

Put a Map into the table. The keys must be Integers.

Specified by:

putAll in interface Map

Parameters:

m - Map to add to table.

remove

public Object remove(int key)

Remove a key / value from the table.

Parameters:

key - Key to remove.

Returns:

false.

remove

public Object remove(Object key)

Remove a key / value from the table.

Specified by:

remove in interface Map

Parameters:

key - Key to remove.

Returns:

false.

size

public int size()

Return the number of elements in the table.

Specified by:

size in interface Map

Returns:

number of elements.

toString

public String toString()

values

public Collection values()

Get the values in the map as a Collection

Specified by:

values in interface Map

Returns:

Collection of values.