org.eclipse.jdt.internal.compiler.codegen
类 DoubleCache

java.lang.Object
  org.eclipse.jdt.internal.compiler.codegen.DoubleCache

public class DoubleCache
extends Object

构造方法摘要

DoubleCache()
Constructs a new, empty hashtable.

DoubleCache(int initialCapacity)
Constructs a new, empty hashtable with the specified initial capacity.

方法摘要

void	clear() Clears the hash table so that it has no more elements in it.
boolean	containsKey(double key) Returns true if the collection contains an element for the key.
int	put(double key, int value) Puts the specified element into the hashtable, using the specified key.
int	putIfAbsent(double key, int value) Puts the specified element into the hashtable, using the specified key.
String	toString() Converts to a rather lengthy String.

从类 java.lang.Object 继承的方法

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

构造方法详细信息

DoubleCache

public DoubleCache()

Constructs a new, empty hashtable. A default capacity and load factor is used. Note that the hashtable will automatically grow when it gets full.

DoubleCache

public DoubleCache(int initialCapacity)

Constructs a new, empty hashtable with the specified initial capacity.

参数：

initialCapacity - int the initial number of buckets

方法详细信息

clear

public void clear()

Clears the hash table so that it has no more elements in it.

containsKey

public boolean containsKey(double key)

Returns true if the collection contains an element for the key.

参数：

key - double the key that we are looking for

返回：

boolean

put

public int put(double key,
               int value)

Puts the specified element into the hashtable, using the specified key. The element may be retrieved by doing a get() with the same key.

参数：

key - double the specified key in the hashtable

value - int the specified element

返回：

int value

putIfAbsent

public int putIfAbsent(double key,
                       int value)

Puts the specified element into the hashtable, using the specified key. The element may be retrieved by doing a get() with the same key.

参数：

key - double the specified key in the hashtable

value - int the specified element

返回：

int value

toString

public String toString()

Converts to a rather lengthy String.

覆盖：

类 Object 中的 toString

返回：

String the ascii representation of the receiver