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This article mainly introduces the java enumeration how to achieve singleton pattern related knowledge, the content is detailed and easy to understand, the operation is simple and fast, has a certain reference value, I believe everyone after reading this java enumeration how to achieve singleton pattern article will have a harvest, let's take a look.

Usage instructions:

Functionally similar to the public field, it comes with a serialization mechanism in addition to being more concise, and provides explicit guarantees against multiple instantiations, even in the face of complex serialization or reflection attacks. Although this approach has not been widely adopted, single-element enumerated types are the best way to implement singleton patterns.

Examples of use:

Public enum Elvis {INSTANCE; private final String [] favoriteSongs = {"Hound Dog", "Heartbreak Hotel"}; public void printFavorites () {System.out.println (Arrays.toString (favoriteSongs));}} this is the end of the article on "how java enumerations implement singleton patterns". Thank you for reading! I believe you all have a certain understanding of the knowledge of "how to realize the singleton pattern of java enumeration". If you want to learn more, you are welcome to follow the industry information channel.

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