Encoding issues when saving JSON to a file, howto save as UTF-8?

Question

For example JSON objects contain strings like 쏘리 but after saving it to a file I see ????

try (Writer writer = new FileWriter(file)) {
    Gson gson = new GsonBuilder().create();
    gson.toJson(jsonObject, writer);
}

How can I fix it? Can I set UTF-8 charset in this code somewhere?

Answer 1

You can try:

try (Writer writer = new OutputStreamWriter(
                        new FileOutputStream(path),"UTF-8")) {
    Gson gson = new GsonBuilder().create();
    gson.toJson(jsonObject, writer);
}

So do not create FileWriter but OutputStreamWriter that allows you to set the encoding to FileOutputStream .