What is the purpose of the JsonFactory class in Jackson?
A) To create parsers and generators for processing JSON
B) To manage database connections
C) To handle polymorphic types
D) To format JSON strings
Answer:
A) To create parsers and generators for processing JSON
Explanation:
The JsonFactory class in Jackson is used to create parsers and generators for processing JSON. It is a low-level class that provides the foundation for reading and writing JSON data, allowing developers to create custom parsers and generators as needed.
For example:
JsonFactory factory = new JsonFactory();
JsonParser parser = factory.createParser(jsonString);
JsonGenerator generator = factory.createGenerator(System.out, JsonEncoding.UTF8);
In this example, JsonFactory is used to create a JsonParser for reading JSON data and a JsonGenerator for writing JSON data. This flexibility makes JsonFactory a powerful tool for handling complex JSON processing tasks.