What I do? I sent a GET request from Postman to Tomcat v9.0 with following data. { "diaryId":2, "userId":2, "createTimestamp":"2022-05-05 12:00:00", "totalFat":2.52, "totalCarbon":2.3, "totalProtein":2.1, "totalFiber":2.1, "totalSugar":1.2, "totalSodium":1.1, "totalCalories":1.21 } figure as follows. Why does the Console in Eclipse IDE prints…
I have the following String. respData = "[{"pmtInd":"C"},{"pmtInd":"D"},{"pmtInd":"G"},{"pmtInd":"C"},{"pmtInd":"B"}]" I am trying to convert this into a List<Map<String, Object>>. However, I get some failures. Here are some things I have tried. List<Map<String, Object>> walletDetailsList = new ArrayList<>(); try { ObjectMapper objectMapper…
I am trying to convert response string into a java object (of Temp Class) for further manipulating but I get below error: Exception in thread "main" com.google.gson.JsonSyntaxException: java.lang.IllegalStateException: Expected BEGIN_OBJECT but was STRING at line 1 column 3 path $…
I'm tried to save ArrayList<HashMap<String,Uri>> into json using Gson, but when i read data from json , im noticed that Gson just wiped out data inside HashMaps. I want to that Gson doesn't wipe my data inside HashMaps anymore. Here's…
I have a nested JSON structure. I want to retrieve only a particular branch of the structure and ignore rest of the objects in the json. I am not sure on the approach to achieve this. Please suggest. For example:…
I have a pretty complex objects(I'm not posting the code because of that) I'm trying to serialize with these calls: Gson gson = new GsonBuilder().setPrettyPrinting().create(); PrintWriter output = new PrintWriter(new FileOutputStream("Hotels.json")); output.write(gson.toJson(myObject);); The program terminates with no failure but the…
I'm trying to make a java class that will contain a response from a JSON that looks like this: { "Global Quote": { "01. symbol": "IBM", "02. open": "160.0000", "03. high": "162.0400", "04. low": "160.0000", "05. price": "161.9600", "06. volume":…
I am trying to deserialize a Json String using GSONbut after deserialization all values appear as Null. This is the Json String (I obtain this String from a server through a Rest API): {"getInformationResult":{ "BE_Active":false,"BE_Owner_ID":0,"BT_ID":0,"CLC_Sale":0,"CLC_Shared_Balance":false,"Cash":false,"Client_Active":false,"Client_Alias":null,"Client_ID":0,"Clients_Balance_By_Brand":null,"Contact_Active":false,"Contact_ID":0,"Credit":false,"Currency_ID":0,"Error_Codes":null,"Errors" :[{"Error_Code":"101","Error_Description":"Login: Invalid User or Password","Error_ID":27,"Error_Name":"Invalid…
I have 2 class class X { public String name; public int age; } class Y { public float score; } The json is like this { "type": "X", "data": { "name": "myname", "age": 20 } } or { "type":…
I tried to use gson fromJson but i got this print => Countries(countries=null) everytime. what am i missing ? //CODE data class Countries(val countries: Map<String, List<String>>) val jsonString = """ { "Afghanistan": [ "Herat", "Kabul", "Kandahar", "Molah", "Rana", "Shar", "Sharif",…