将JSON数据转换为Java对象

{
  "name": "John Doe",
  "age": 25,
  "email": "john.doe@example.com"
}

import com.fasterxml.jackson.annotation.JsonProperty;

public class User {
    @JsonProperty("name")
    private String name;

    @JsonProperty("age")
    private int age;

    @JsonProperty("email")
    private String email;

    // Getters and setters
    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public int getAge() {
        return age;
    }

    public void setAge(int age) {
        this.age = age;
    }

    public String getEmail() {
        return email;
    }

    public void setEmail(String email) {
        this.email = email;
    }
}

import com.fasterxml.jackson.databind.ObjectMapper;

public class JsonToJavaExample {
    public static void main(String[] args) {
        String jsonString = "{\"name\":\"John Doe\",\"age\":25,\"email\":\"john.doe@example.com\"}";

        ObjectMapper objectMapper = new ObjectMapper();
        try {
            User user = objectMapper.readValue(jsonString, User.class);
            System.out.println("Name: " + user.getName());
            System.out.println("Age: " + user.getAge());
            System.out.println("Email: " + user.getEmail());
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}