Jackson json转Java对象,代码编译测试 - 在线编译器(yxjc123.com)

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                    import com.fasterxml.jackson.databind.ObjectMapper;

import java.io.IOException;

/**
 *JSON转java对象
 */
public class JSON2Class{
    //JSON转java对象
    public static void main(String[] args) {
        try {
            ObjectMapper objectMapper = new ObjectMapper();

            String json = "{\"name\":\"张三\",\"age\":23,\"address\":\"深圳市\"}";
            User zhang = objectMapper.readValue(json, User.class);
            System.out.println(zhang.getName() + "\n" + zhang.getAge() + "\n" + zhang.getAddress());
        } catch(IOException e) {
            e.printStackTrace();
        }
    }
}
//User.java
 class User {
    private String name;
    private Integer age;
    private String address;
    public User(){

    }
    public User(String name, Integer age, String address) {
        super();
        this.name = name;
        this.age = age;
        this.address = address;
    }
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    public Integer getAge() {
        return age;
    }
    public void setAge(Integer age) {
        this.age = age;
    }
    public String getAddress() {
        return address;
    }
    public void setAddress(String address) {
        this.address = address;
    }
}
                

Jackson json转Java对象在线测试，这是一个简单方便的Java在线运行工具，支持在线编译、在线调试和在线结果的实时反馈。