#vulnerable code 
                                public JSONObject getInfo() throws EvtSdkException {
        Info info = new Info();
        return info.get(netParams, null);
    } 
                            #location 3 
                            #vulnerability type NULL_DEREFERENCE
#fixed code
                                public JSONObject getInfo() throws EvtSdkException {
        Info info = new Info();
        return info.get(RequestParams.of(netParams));
    }