gistfile1.java

 public static class Marko implements Serializable {
        public Function<Integer, Integer> function = (Function & Serializable) a -> 1 + 5;
    }

    @Test
    public void testLambdaSerialization() throws Exception {

        //System.out.println(function.getClass().isLocalClass());
        /*byte[] bytes = Serializer.serializeObject(new Marko());
        FileOutputStream outputStream = new FileOutputStream("/tmp/function.bin");
        outputStream.write(bytes);
        outputStream.flush();
        outputStream.close();*/

       byte[] bytes = new byte[(int) new File("/tmp/function.bin").length()];
        FileInputStream inputStream = new FileInputStream("/tmp/function.bin");
        new DataInputStream(inputStream).readFully(bytes);
        System.out.println(((Marko)Serializer.deserializeObject(bytes)).function.apply(2));
    }