Jackson Java JSON Tutorial

Using the Jackson library to manipulate JSON data in Java is very common, here are some simple usage methods:

1. Add the dependency of the Jackson library:
   In a Maven project, add the following dependency to the pom.xml file:

<dependency>
    <groupId>com.fasterxml.jackson.core</groupId>
    <artifactId>jackson-databind</artifactId>
    <version>2.12.5</version>
</dependency>

1. Convert Java objects to JSON strings

ObjectMapper objectMapper = new ObjectMapper();
String jsonString = objectMapper.writeValueAsString(object);

1. Convert a JSON string to a Java object.

ObjectMapper objectMapper = new ObjectMapper();
MyObject myObject = objectMapper.readValue(jsonString, MyObject.class);

1. Utilize other methods of ObjectMapper to manipulate JSON data, such as reading JSON files, parsing JSON data, etc.

Here are some basic ways to use the Jackson library. Depending on your specific needs, you can utilize more advanced features and methods. The Jackson library offers a rich API to easily handle JSON data.