Enum NullEnum
- All Implemented Interfaces:
Serializable
,Comparable<NullEnum>
,java.lang.constant.Constable
Dummy enum class used as default value for optional attributes of
annotations.
- Since:
- 5.6
- See Also:
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Nested Class Summary
Nested classes/interfaces inherited from class java.lang.Enum
Enum.EnumDesc<E extends Enum<E>>
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Constructor Summary
Constructors -
Method Summary
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Constructor Details
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NullEnum
private NullEnum()
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Method Details
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values
Returns an array containing the constants of this enum type, in the order they are declared.- Returns:
- an array containing the constants of this enum type, in the order they are declared
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valueOf
Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)- Parameters:
name
- the name of the enum constant to be returned.- Returns:
- the enum constant with the specified name
- Throws:
IllegalArgumentException
- if this enum type has no constant with the specified nameNullPointerException
- if the argument is null
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