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Serializableな Object を byte[] に変換する

Java

Posted at 2018-11-12


    public static byte[] toBytes(Serializable obj) {
        try {
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            ObjectOutputStream oos = new ObjectOutputStream(baos);
            oos.writeObject(obj);
            byte[] data = baos.toByteArray();
            return data;
        } catch (IOException e) {
            e.printStackTrace();
            return null;
        }
    }

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