java解析json字符串

package com.dream.quartz;

import org.json.JSONObject;

public class Test {
    public static void main(String[] args) {
        String str = "{"Message":"OK","Code":"OK","RequestId":"","BizId":""}";
        JSONObject jsonObject1=new JSONObject(str);
        System.out.println(jsonObject1.getString("Code"));
    }
}

maven的jar包

<!-- https://mvnrepository.com/artifact/org.json/json -->
<dependency>
    <groupId>org.json</groupId>
    <artifactId>json</artifactId>
    <version>20170516</version>
</dependency>