21.5

java.util.Hashtable

THE PACKAGE JAVA.UTIL

21.5.1

public Hashtable(int initialCapacity, float loadFactor)

This constructor initializes a newly created

Hashtable

 object so that its capacity

is

initialCapacity

 and its load factor is

loadFactor

. Initially, there are no

entries in the table.

21.5.2

public Hashtable(int initialCapacity)

This constructor initializes a newly created

Hashtable

 object so that its capacity

is

initialCapacity

 and its load factor is

0.75

. Initially, there are no entries in

the table.

21.5.3

public Hashtable()

This constructor initializes a newly created

Hashtable

 object so that its load fac 

tor is

0.75

. Initially, there are no entries in the table.

21.5.4

public String toString()

This

Hashtable

 is represented in string form as a set of entries, enclosed in

braces and separated by the ASCII characters  

,

  (comma and space). Each

entry is rendered as the key, an equals sign

=

, and the associated element, where

the

toString

 method is used to convert the key and element to strings.

Overrides the

toString

 method of

Object

 ( 21.2.3).

21.5.5

public Object clone()

A copy of this

Hashtable

 is constructed and returned. All the structure of the

hashtable itself is copied, but the keys and elements are not cloned.

Overrides the

clone

 method of

Object

 ( 21.2.6).

21.5.6

public int size()

Implements the

size

 method of

Dictionary

 ( 21.4.1).

21.5.7

public boolean isEmpty()

Implements the

isEmpty

 method of

Dictionary

 ( 21.4.2).

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