[Demonstration 1]

[Buggy Method]
@Nullable
public static Weather handleWeatherResponse(String response) {
    try {
        JSONObject jsonObject = new JSONObject(response);
        JSONArray jsonArray = jsonObject.getJSONArray("HeWeather");
        String weatherContent = jsonArray.getJSONArray(0).toString();
        return new Gson().fromJson(weatherContent, Weather.class);
    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}

[Buggy Hunk]
String weatherContent = jsonArray.getJSONArray(0).toString();

[Patch]
String weatherContent = jsonArray.getJSONObject(0).toString();

[Demonstration 2]

[Buggy Method]
protected final void upgrade(EntityPlayerMP player) {
    int talent = TalentHandler.getTalent(player).getInteger(this.id);
    setFromValue(player, this.affectByTalent(talent, player), false);
}

[Buggy Hunk]
setFromValue(player, this.affectByTalent(talent, player), false);

[Patch]
setFromValue(player, this.affectByTalent(talent, player));