oracle.jbo.common
Class WeakHashtable

java.lang.Object
  oracle.adfnmc.java.util.Dictionary
      oracle.jbo.common.WeakHashtable

Direct Known Subclasses:

WeakHashlist

public class WeakHashtable
extends Dictionary

Internal: Applications should not use this class.

Constructor Summary

WeakHashtable()

WeakHashtable(int initialCapacity)

WeakHashtable(int initialCapacity, float loadFactor)
public static void main(String argv[]) { WeakHashtable tab0 = new WeakHashtable(); WeakHashtable tab1 = new WeakHashtable(20); WeakHashtable tab2 = new WeakHashtable(20, 7.2f); System.out.println("tab0 (" + tab0.getClass().getName() + ") " + tab0); System.out.println("tab1 (" + tab1.getClass().getName() + ") " + tab1); System.out.println("tab2 (" + tab2.getClass().getName() + ") " + tab2); }

Method Summary

void	clear()
java.util.Enumeration	elements() Answers an Enumeration on the elements of this Dictionary.
java.lang.Object	get(java.lang.Object key) Answers the value associated with key.
boolean	isEmpty() Answers if this Dictionary has no key/value pairs, a size of zero.
java.util.Enumeration	keys() Answers an Enumeration on the keys of this Dictionary.
java.lang.Object	put(java.lang.Object key, java.lang.Object value) Associate key with value in this Dictionary.
java.lang.Object	remove(java.lang.Object key) Remove the key/value pair with the specified key from this Dictionary.
java.lang.Object	removeStrict(java.lang.Object key, java.lang.Object value)
int	size() Answers the number of key/value pairs in this Dictionary.

Methods inherited from class java.lang.Object

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

Constructor Detail

WeakHashtable

public WeakHashtable(int initialCapacity,
                     float loadFactor)

public static void main(String argv[]) { WeakHashtable tab0 = new WeakHashtable(); WeakHashtable tab1 = new WeakHashtable(20); WeakHashtable tab2 = new WeakHashtable(20, 7.2f); System.out.println("tab0 (" + tab0.getClass().getName() + ") " + tab0); System.out.println("tab1 (" + tab1.getClass().getName() + ") " + tab1); System.out.println("tab2 (" + tab2.getClass().getName() + ") " + tab2); }

WeakHashtable

public WeakHashtable(int initialCapacity)

WeakHashtable

public WeakHashtable()

Method Detail

size

public int size()

Description copied from class: Dictionary

Answers the number of key/value pairs in this Dictionary.

Specified by:

size in class Dictionary

Returns:

the number of key/value pairs in this Dictionary

See Also:

Dictionary.elements(), Dictionary.keys()

isEmpty

public boolean isEmpty()

Description copied from class: Dictionary

Answers if this Dictionary has no key/value pairs, a size of zero.

Specified by:

isEmpty in class Dictionary

Returns:

true if this Dictionary has no key/value pairs, false otherwise

See Also:

Dictionary.size()

keys

public java.util.Enumeration keys()

Description copied from class: Dictionary

Answers an Enumeration on the keys of this Dictionary.

Specified by:

keys in class Dictionary

Returns:

an Enumeration of the keys of this Dictionary

See Also:

Dictionary.elements(), Dictionary.size(), Enumeration

elements

public java.util.Enumeration elements()

Description copied from class: Dictionary

Answers an Enumeration on the elements of this Dictionary.

Specified by:

elements in class Dictionary

Returns:

an Enumeration of the values of this Dictionary

See Also:

Dictionary.keys(), Dictionary.size(), Enumeration

get

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

Description copied from class: Dictionary

Answers the value associated with key.

Specified by:

get in class Dictionary

Parameters:

key - the key of the value returned

Returns:

the value associated with key or null if the specified key does not exist

See Also:

Dictionary.put(java.lang.Object, java.lang.Object)

put

public java.lang.Object put(java.lang.Object key,
                            java.lang.Object value)

Description copied from class: Dictionary

Associate key with value in this Dictionary. If key exists in the Dictionary prior to this call being made, the old value is replaced.

Specified by:

put in class Dictionary

Parameters:

key - the key to add

value - the value to add

Returns:

the old value previously associated with key or null if key is new to the Dictionary.

See Also:

Dictionary.elements(), Dictionary.get(java.lang.Object), Dictionary.keys()

remove

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

Description copied from class: Dictionary

Remove the key/value pair with the specified key from this Dictionary.

Specified by:

remove in class Dictionary

Parameters:

key - the key to remove

Returns:

the associated value or else null if key is not known to this Dictionary

See Also:

Dictionary.get(java.lang.Object), Dictionary.put(java.lang.Object, java.lang.Object)

removeStrict

public java.lang.Object removeStrict(java.lang.Object key,
                                     java.lang.Object value)

clear

public void clear()