Java｜シリアル化例外StreamCorruptedExceptionの解決策

   public void testDeserialize() throws IOException, ClassNotFoundException {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        ObjectOutputStream oos = new ObjectOutputStream(baos);
        BigInteger bi = new BigInteger("0");
        oos.writeObject(bi);        byte[] str = baos.toByteArray();
        ObjectInputStream ois = new ObjectInputStream(new BufferedInputStream(new ByteArrayInputStream(str)));
        Object obj = ois.readObject();
        assertNotNull(obj);
        assertEquals(obj.getClass().getName(),"java.math.BigInteger");
        assertEquals(((BigInteger)obj).intValue(), 0);
    }