java json 遍历key java jsonobject遍历方法

JSONObjcet遍历：

public static void main(String[] args) {
        String jsonStr = "{\"size\":\"7.5\",\"width\":\"M (B)\"}";

        System.out.println("无序遍历结果：");
        JSONObject jsonObj = JSON.parseObject(jsonStr);
        for (Map.Entry<String, Object> entry : jsonObj.entrySet()) {
            System.out.println(entry.getKey() + ":" + entry.getValue());
        }

        System.out.println("-------------------");
        System.out.println("有序遍历结果：");
        LinkedHashMap<String, String> jsonMap = JSON.parseObject(jsonStr, new TypeReference<LinkedHashMap<String, String>>() {
        });
        for (Map.Entry<String, String> entry : jsonMap.entrySet()) {
            System.out.println(entry.getKey() + ":" + entry.getValue());
        }
    }

JSONArray遍历：

JSONArray array = new JSONArray();
for(int i=0; i<array.size(); i++){
    array.getJSONObject(i);
    array.remove(i);  //删除array中第i个JSONObject对象
}