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RetentionPolicy


java.lang.annotation

Enum RetentionPolicy

  • All Implemented Interfaces:
    Serializable, Comparable<RetentionPolicy>


    public enum RetentionPolicy
    extends Enum<RetentionPolicy>
    Defines an enumeration for annotation retention policies. Used in conjunction with the Retention annotation to specify an annotation's time-to-live in the overall development life cycle.
    Since:
    1.5
    • Enum Constant Detail

      • SOURCE

        public static final RetentionPolicy SOURCE
        Annotation is only available in the source code.
      • CLASS

        public static final RetentionPolicy CLASS
        Annotation is available in the source code and in the class file, but not at runtime. This is the default policy.
      • RUNTIME

        public static final RetentionPolicy RUNTIME
        Annotation is available in the source code, the class file and is available at runtime.
    • Method Detail

      • values

        public static RetentionPolicy[] values()
        Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:
        for (RetentionPolicy c : RetentionPolicy.values())
            System.out.println(c);
        
        Returns:
        an array containing the constants of this enum type, in the order they are declared
      • valueOf

        public static RetentionPolicy valueOf(String name)
        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 name
        NullPointerException - if the argument is null


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