QnA.java

package com.foo;

import java.io.IOException;
import java.io.Serializable;
import java.util.List;

import com.fasterxml.jackson.databind.ObjectMapper;

public class QnA implements Serializable {
    private long idQnA;

    private String question;

    private List<String> responses;


    public QnA() {
    }

    public QnA(String question, List<String> responses) {
        this.question = question;
        this.responses = responses;
    }


    public long getIdQnA() {
        return idQnA;
    }

    public void setIdQnA(long idQnA) {
        this.idQnA = idQnA;
    }

    public String getQuestion() {
        return question;
    }

    public void setQuestion(String question) {
        this.question = question;
    }


    public List<String> getResponses() {
        return responses;
    }

    public void setResponses(List<String> responses) {
        this.responses = responses;
    }

    public static void main(String[] args) throws IOException {
        ObjectMapper om = new ObjectMapper();
        String json = "{  \"idQnA\": 205,\n" +
            "        \"question\": \"test\",\n" +
            "        \"responses\": [\"test\",\"test\"]}";
        om.readValue(json, QnA.class); // this works fine

        String json2 = "{  \"idQnA\": 205,\n" +
            "        \"question\": \"test\",\n" +
            "        \"responses\": [{}, {}}";
        om.readValue(json2, QnA.class); // this works fine

    }
}