public static enum ConcurrentReferenceHashMap.Option extends Enum<ConcurrentReferenceHashMap.Option>
| 枚举常量和说明 |
|---|
IDENTITY_COMPARISONS
Indicates that referential-equality (== instead of .equals()) should
be used when locating keys.
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| 限定符和类型 | 方法和说明 |
|---|---|
static ConcurrentReferenceHashMap.Option |
valueOf(String name)
返回带有指定名称的该类型的枚举常量。
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static ConcurrentReferenceHashMap.Option[] |
values()
按照声明该枚举类型的常量的顺序, 返回
包含这些常量的数组。
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public static final ConcurrentReferenceHashMap.Option IDENTITY_COMPARISONS
IdentityHashMappublic static ConcurrentReferenceHashMap.Option[] values()
for (ConcurrentReferenceHashMap.Option c : ConcurrentReferenceHashMap.Option.values()) System.out.println(c);
public static ConcurrentReferenceHashMap.Option valueOf(String name)
name - 要返回的枚举常量的名称。IllegalArgumentException - 如果该枚举类型没有带有指定名称的常量NullPointerException - 如果参数为空值Copyright © 2021. All rights reserved.