Java 如何在android中获取jsonarray值？

这是jsonArray：

JSONArray jsonArray = CommonFunctions.GetJSONResults(url, parameters);
CoursesEntity [] CourseDetail=new CoursesEntity[jsonArray.length()];

这是jsonArray的值，我在执行上述命令后得到：

如何获取这些值？ 我尝试了以下方式，但它变为空：

For（int i=0；JsonArray.length（）；i++）
{
JSONObject jsonObj=JsonArray.getJSONObject（i）；
CourseDetail[i].setCourseName（jsonObj.getString（“名称”）；
... ...
}

   [
    {
        "UserCourseId": 253,
        "EnrollDate": "2014-05-28T17:54:31.733",
        "Status": 0,
        "IsThirdPartyCourse": true,
        "MappedCourseUrl": "a",
        "MappedUserId": "a",
        "Id": 15,
        "Name": "Diabetes Management",
        "ShortName": null,
        "Synopsis": null,
        "Description": null,
        "Duration": "7",
        "ImagePath": "S.jpg",
        "IsNewCourse": 0,
        "IsDisplayEnrollUnenroll": 0,
        "InstituteName": null,
        "CourseAuthor": null,
        "CourseLink": null
    },
    {
        "UserCourseId": 253,
        "EnrollDate": "2014-05-28T17:54:31.733",
        "Status": 0,
        "IsThirdPartyCourse": true,
        "MappedCourseUrl": "a",
        "MappedUserId": "a",
        "Id": 15,
        "Name": "Diabetes Management",
        "ShortName": null,
        "Synopsis": null,
        "Description": null,
        "Duration": "7",
        "ImagePath": "S.jpg",
        "IsNewCourse": 0,
        "IsDisplayEnrollUnenroll": 0,
        "InstituteName": null,
        "CourseAuthor": null,
        "CourseLink": null
    },
    {
        "UserCourseId": 253,
        "EnrollDate": "2014-05-28T17:54:31.733",
        "Status": 0,
        "IsThirdPartyCourse": true,
        "MappedCourseUrl": "a",
        "MappedUserId": "a",
        "Id": 15,
        "Name": "Diabetes Management",
        "ShortName": null,
        "Synopsis": null,
        "Description": null,
        "Duration": "7",
        "ImagePath": "S.jpg",
        "IsNewCourse": 0,
        "IsDisplayEnrollUnenroll": 0,
        "InstituteName": null,
        "CourseAuthor": null,
        "CourseLink": null
    }
]

CourseDetail[i].setCourseName(jsonObj.getJSONObject(i).getString("Name"));