How to get all values for a key from json using JAVA : I am trying to extra value for `avatar` from all different node. My json looks like this

    {
        "page": 1,
        "per_page": 3,
        "total": 12,
    "avatar":"https://s3.amazonaws.com/uifaces/faces/twitter/olegpogodaev/128.jpg",
        "total_pages": 4,
        "data": [
            {
                "id": 1,
                "first_name": "George",
                "last_name": "Bluth",
                "avatar": "https://s3.amazonaws.com/uifaces/faces/twitter/calebogden/128.jpg"
            },
            {
                "id": 2,
                "first_name": "Janet",
                "last_name": "Weaver",
                "avatar": "https://s3.amazonaws.com/uifaces/faces/twitter/josephstein/128.jpg"
            },
            {
                "id": 3,
                "first_name": "Emma",
                "last_name": "Wong",
                "avatar": "https://s3.amazonaws.com/uifaces/faces/twitter/olegpogodaev/128.jpg"
            }
        ],
    "user":{
                "id": 3,
                "first_name": "Emma",
                "last_name": "Wong",
                "avatar": "https://s3.amazonaws.com/uifaces/faces/twitter/olegpogodaev/128.jpg"
            }
    }