Conversion between JSON strings and Java objects

In Java programming, it is often necessary to convert JSON strings and Java objects to and from each other. JSON (JavaScript Object Notation) is a commonly used data exchange format, and Java objects are a way of representing data in Java programs. This article will introduce how to convert between JSON strings and Java objects in Java and provide corresponding source code examples.

1. JSON string to Java object

To convert a JSON string into a Java object, we can use a third-party library such as Google's Gson library. The following is sample code to convert a JSON string to a Java object:

import com.google.gson.Gson;

public class JsonToObjectExample {
   
    
    
    public static