THE PACKAGE JAVA.UTIL

java.util.Hashtable

21.5

21.5.8

public Object get(Object key)

Implements the

get

 method of

Dictionary

 ( 21.4.3).

21.5.9

public Object put(Object key, Object value)

Implements the

put

 method of

Dictionary

 ( 21.4.4).

21.5.10

public Object remove(Object key)

Implements the

remove

 method of

Dictionary

 ( 21.4.5).

21.5.11

public Enumeration keys()

Implements the

keys

 method of

Dictionary

 ( 21.4.6).

21.5.12

public Enumeration elements()

Implements the

elements

 method of

Dictionary

 ( 21.4.7).

21.5.13

public boolean contains(Object value)

The result is

true

 if and only if this

Hashtable

 contains at least one entry for

which the element is equal to

value

, as determined by the

equals

 method

( 20.1.3).

21.5.14

public boolean containsKey(Object key)

The result is

true

 if and only if this

Hashtable

 contains an entry for which the

key is equal to

key

, as determined by the

equals

 method ( 20.1.3). In other

words, this method produces the same result as the expression:

get(key) != null

21.5.15

protected void rehash()

This

Hashtable

 is increased in capacity and reorganized internally, in order to

accommodate and access its entries more efficiently.

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