Interpret the technical principles and implementation methods of the simple YAML framework in the Java class library

The simple YAML framework in the Java class library is designed to facilitate Java developers read and write configuration files in YAML format in the application.YAML is a lightweight data serialization format, which has strong readability and is widely used in the configuration files, data exchange and persistent storage.By using the YAML framework, developers can easily convert the configuration files of YAML format into Java objects, and easily manipulate and access these objects during runtime. The simple YAML framework in the Java library can use existing open source libraries, such as Snakeyaml.The following is an example of using Snakeyaml: import org.yaml.snakeyaml.Yaml; public class YAMLExample { public static void main(String[] args) { Yaml yaml = new Yaml(); String yamlString = "name: John Doe age: 30"; // Analyze the YAML strings as Java object Object data = yaml.load(yamlString); // Visit and manipulate Java objects if (data instanceof Map) { Map<String, Object> map = (Map<String, Object>) data; String name = (String) map.get("name"); int age = (int) map.get("age"); System.out.println("Name: " + name); System.out.println("Age: " + age); } // Convert java objects to YAML string String newYamlString = yaml.dump(data); System.out.println("YAML String: " + newYamlString); } } In the example code, we first created a YAML object.Then, use the `load ()` method to analyze the YAML string into a Java object, which can be map, list, string, etc.By checking the type of object, we can access the corresponding value according to the key.Finally, we use the `dump ()` method to convert Java objects back to the YAML string. Use Snakeyaml to follow similar steps to read and write YAML configuration files to achieve a simple YAML framework in the Java class library.This framework can provide more concise and easy -to -use ways to analyze and generate configuration files in YAML formats, and access and modify in Java applications.