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/* package whatever; // don't place package name! */
 
public class DataModelDeserializer<T> implements JsonDeserializer<T> {
 
    @Override
    public T deserialize(JsonElement jsonElement, Type type, JsonDeserializationContext jsonDeserializationContext) throws JsonParseException {
        JsonElement items=null;
 
        try{
            items = jsonElement.getAsJsonObject();
        }catch (Exception e){
            System.out.println("[ERROR] An error has accused while parsing the response.");
            System.out.println("[ERROR] DataModel: " + jsonElement);
            throw new JsonIOException("Check your profile.");
        }
 
        return new Gson().fromJson(items, type);
    }
}
 
public class DataModel {
    private Response response;
 
 
    public Response getResponse() {
        return response;
    }
 
    public void setResponse(Response response) {
        this.response = response;
    }
 
 
}
 
public class Response<T> {
    private int count;
    private List<T> items=new ArrayList<T>();
    public int getCount() {
        return count;
    }
 
    public void setCount(int count) {
        this.count = count;
    }
 
    public List<T> getItems() {
        return items;
    }
 
    public void setItems(List<T> items) {
        this.items = items;
    }
}
 
public class Items {
    private int id;
    public int getId() {
        return id;
    }
 
    public void setId(int id) {
        this.id = id;
    }
}
 
 

Main.java:3: error: class DataModelDeserializer is public, should be declared in a file named DataModelDeserializer.java
public class DataModelDeserializer<T> implements JsonDeserializer<T> {
       ^
Main.java:21: error: class DataModel is public, should be declared in a file named DataModel.java
public class DataModel {
       ^
Main.java:36: error: class Response is public, should be declared in a file named Response.java
public class Response<T> {
       ^
Main.java:56: error: class Items is public, should be declared in a file named Items.java
public class Items {
       ^
Main.java:3: error: cannot find symbol
public class DataModelDeserializer<T> implements JsonDeserializer<T> {
                                                 ^
  symbol: class JsonDeserializer
Main.java:6: error: cannot find symbol
    public T deserialize(JsonElement jsonElement, Type type, JsonDeserializationContext jsonDeserializationContext) throws JsonParseException {
                         ^
  symbol:   class JsonElement
  location: class DataModelDeserializer<T>
  where T is a type-variable:
    T extends Object declared in class DataModelDeserializer
Main.java:6: error: cannot find symbol
    public T deserialize(JsonElement jsonElement, Type type, JsonDeserializationContext jsonDeserializationContext) throws JsonParseException {
                                                  ^
  symbol:   class Type
  location: class DataModelDeserializer<T>
  where T is a type-variable:
    T extends Object declared in class DataModelDeserializer
Main.java:6: error: cannot find symbol
    public T deserialize(JsonElement jsonElement, Type type, JsonDeserializationContext jsonDeserializationContext) throws JsonParseException {
                                                             ^
  symbol:   class JsonDeserializationContext
  location: class DataModelDeserializer<T>
  where T is a type-variable:
    T extends Object declared in class DataModelDeserializer
Main.java:6: error: cannot find symbol
    public T deserialize(JsonElement jsonElement, Type type, JsonDeserializationContext jsonDeserializationContext) throws JsonParseException {
                                                                                                                           ^
  symbol:   class JsonParseException
  location: class DataModelDeserializer<T>
  where T is a type-variable:
    T extends Object declared in class DataModelDeserializer
Main.java:38: error: cannot find symbol
    private List<T> items=new ArrayList<T>();
            ^
  symbol:   class List
  location: class Response<T>
  where T is a type-variable:
    T extends Object declared in class Response
Main.java:47: error: cannot find symbol
    public List<T> getItems() {
           ^
  symbol:   class List
  location: class Response<T>
  where T is a type-variable:
    T extends Object declared in class Response
Main.java:51: error: cannot find symbol
    public void setItems(List<T> items) {
                         ^
  symbol:   class List
  location: class Response<T>
  where T is a type-variable:
    T extends Object declared in class Response
Main.java:5: error: method does not override or implement a method from a supertype
    @Override
    ^
Main.java:7: error: cannot find symbol
        JsonElement items=null;
        ^
  symbol:   class JsonElement
  location: class DataModelDeserializer<T>
  where T is a type-variable:
    T extends Object declared in class DataModelDeserializer
Main.java:14: error: cannot find symbol
            throw new JsonIOException("Check your profile.");
                      ^
  symbol:   class JsonIOException
  location: class DataModelDeserializer<T>
  where T is a type-variable:
    T extends Object declared in class DataModelDeserializer
Main.java:17: error: cannot find symbol
        return new Gson().fromJson(items, type);
                   ^
  symbol:   class Gson
  location: class DataModelDeserializer<T>
  where T is a type-variable:
    T extends Object declared in class DataModelDeserializer
Main.java:38: error: cannot find symbol
    private List<T> items=new ArrayList<T>();
                              ^
  symbol:   class ArrayList
  location: class Response<T>
  where T is a type-variable:
    T extends Object declared in class Response
17 errors

Standard output is empty