java.util
Class Hashtable

java.lang.Object
  java.util.Dictionary
      java.util.Hashtable

All Implemented Interfaces:

Cloneable, Map, Serializable

Direct Known Subclasses:

Properties

public class Hashtable

extends Dictionary

implements Map, Cloneable, Serializable

Nested Class Summary
(package private) static class	Hashtable.1
private static class	Hashtable.EmptyEnumerator
private static class	Hashtable.EmptyIterator
private static class	Hashtable.Entry
private  class	Hashtable.EntrySet
private  class	Hashtable.Enumerator
private  class	Hashtable.KeySet
private  class	Hashtable.ValueCollection

 

Field Summary
private  int	count
private static Enumeration	emptyEnumerator
private static Iterator	emptyIterator
private static int	ENTRIES
private  Set	entrySet
private static int	KEYS
private  Set	keySet
private  float	loadFactor
private  int	modCount
private static long	serialVersionUID
private  Hashtable.Entry[]	table
private  int	threshold
private static int	VALUES
private  Collection	values

 

Constructor Summary

Hashtable()

Hashtable(int)

Hashtable(int, float)

Hashtable(Map)

 

Method Summary
void	clear()
Object	clone()
boolean	contains(Object)
boolean	containsKey(Object)
boolean	containsValue(Object)
Enumeration	elements()
Set	entrySet()
boolean	equals(Object)
Object	get(Object)
private  Enumeration	getEnumeration(int)
private  Iterator	getIterator(int)
int	hashCode()
boolean	isEmpty()
Enumeration	keys()
Set	keySet()
Object	put(Object, Object)
void	putAll(Map)
private  void	readObject(ObjectInputStream)
private  void	reconstitutionPut(Hashtable.Entry[], Object, Object)
protected  void	rehash()
Object	remove(Object)
int	size()
String	toString()
Collection	values()
private  void	writeObject(ObjectOutputStream)

 

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

 

Field Detail

count

private transient int count

threshold

private int threshold

table

private transient Hashtable.Entry[] table

emptyEnumerator

private static Enumeration emptyEnumerator

loadFactor

private float loadFactor

emptyIterator

private static Iterator emptyIterator

modCount

private transient int modCount

ENTRIES

private static final int ENTRIES

VALUES

private static final int VALUES

keySet

private transient volatile Set keySet

serialVersionUID

private static final long serialVersionUID

entrySet

private transient volatile Set entrySet

values

private transient volatile Collection values

KEYS

private static final int KEYS

Hashtable

public Hashtable(int,
                 float)

Hashtable

public Hashtable(int)

Hashtable

public Hashtable()

Hashtable

public Hashtable(Map)

size

public int size()

Specified by:

size in interface Map

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Map

keys

public Enumeration keys()

elements

public Enumeration elements()

contains

public boolean contains(Object)

containsValue

public boolean containsValue(Object)

Specified by:

containsValue in interface Map

containsKey

public boolean containsKey(Object)

Specified by:

containsKey in interface Map

get

public Object get(Object)

Specified by:

get in interface Map

rehash

protected void rehash()

put

public Object put(Object,
                  Object)

Specified by:

put in interface Map

remove

public Object remove(Object)

Specified by:

remove in interface Map

putAll

public void putAll(Map)

Specified by:

putAll in interface Map

clear

public void clear()

Specified by:

clear in interface Map

clone

public Object clone()

Overrides:

clone in class Object

toString

public String toString()

Overrides:

toString in class Object

getEnumeration

private Enumeration getEnumeration(int)

getIterator

private Iterator getIterator(int)

keySet

public Set keySet()

Specified by:

keySet in interface Map

entrySet

public Set entrySet()

Specified by:

entrySet in interface Map

values

public Collection values()

Specified by:

values in interface Map

equals

public boolean equals(Object)

Specified by:

equals in interface Map

Overrides:

equals in class Object

hashCode

public int hashCode()

Specified by:

hashCode in interface Map

Overrides:

hashCode in class Object

writeObject

private void writeObject(ObjectOutputStream)
                  throws IOException

Throws:

IOException

readObject

private void readObject(ObjectInputStream)
                 throws IOException,
                        ClassNotFoundException

Throws:

IOException

ClassNotFoundException

reconstitutionPut

private void reconstitutionPut(Hashtable.Entry[],
                               Object,
                               Object)
                        throws StreamCorruptedException

Throws:

StreamCorruptedException