替換Json字符串裏key對應的value值

String s = “[{"colors":“sony”，“value”：7}，{“colors”:"Samsumg","value":14}]";

JsonArray jarray = new JsonArray(s);

JsonObject  jobject = jarray.optObject(int i);//想要改的那一組數組

String ss = jobject.getString("colors");

s = s.replace(ss,"Apple");