The technical principles of the KRYO framework and the application in the Java class library

The Kryo framework is a high -performance serialization library that is mainly used to convert Java objects into byte flow for transmission or storage.It has the characteristics of fast, compact and efficient, and is usually used in applications that require frequent serialization and derivatives. Kryo's technical principles mainly include the following aspects: 1. Registration class: KRYO needs to know the type of objects to be serialized and deepened.To improve efficiency, registration is necessary.Kryo provides a registry that can register the classes they need to use when the program starts.In this way, Kryo can quickly locate and process objects through the ID or name of the class. Example code: Kryo kryo = new Kryo(); kryo.register(MyObject.class); 2. Write and read objects: By using the Kryo API, you can write the Java object into the output stream or read the object from the input stream.Kryo uses an efficient coding algorithm that can serialize the Java object in a compact byte form to the stream, and turn it into the original object when needed. Example code: // Write the object to the byte flow Output output = new Output(new FileOutputStream("data.bin")); kryo.writeObject(output, myObject); output.close(); // Read the object from the byte stream Input input = new Input(new FileInputStream("data.bin")); MyObject obj = kryo.readObject(input, MyObject.class); input.close(); 3. Processing complex data types: KRYO can handle various complex data types, including sets (such as List, MAP), inheritance relationships, references, etc.Kryo can continuously track the reference relationship between objects when serialization and desertileization, thereby avoiding the same objects with the same serialization. Example code: // Serialization list object List<String> list = new ArrayList<>(); list.add("item1"); list.add("item2"); Output output = new Output(new FileOutputStream("data.bin")); kryo.writeObject(output, list); output.close(); // Reverse sequentialization list object Input input = new Input(new FileInputStream("data.bin")); List<String> newList = kryo.readObject(input, ArrayList.class); input.close(); The Kryo framework is widely used in the Java library, which is particularly suitable for scenarios that require high -efficiency data, such as distributed systems, cache frameworks, and RPC frameworks.Due to Kryo's high performance and compact serialization format, it can greatly reduce the overhead of network transmission and disk storage, and improve the overall performance of the system. All in all, the KRYO framework plays an important role in multiple application areas in the Java class library through its high -performance serialization and deepening mechanism.Its technical principles and powerful functions enable developers to process and transmit data more efficiently and improve the overall performance of the application.