Java tutorial
//package com.java2s; import java.io.ByteArrayOutputStream; import java.io.IOException; import java.io.ObjectOutputStream; public class Main { public static byte[] toBytes(Object object) { if (object == null) { return null; } ByteArrayOutputStream __baos = new ByteArrayOutputStream(); try { ObjectOutputStream __oos = new ObjectOutputStream(__baos); __oos.writeObject(object); } catch (IOException ioe) { // Log the event here.... } return __baos.toByteArray(); } }