Test.java

import org.json.JSONObject;

public class Test {
    public static void main(String args[]) {
        String json = "{ \"status\": \"failed\", \"message\": \"All fields are required\" }";

        JSONObject jsonObject = new JSONObject(json);
        String status = jsonObject.getString("status");
        String message = jsonObject.getString("message");

        System.out.println("status=" + status);
        System.out.println("message=" + message);
    }
}