Here you can find the source of serializeObject(Object o)
public static byte[] serializeObject(Object o) throws Exception
//package com.java2s; /*/*from w w w . java2 s . com*/ * Copyright 2002-2007 the original author or authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import java.io.ByteArrayOutputStream; import java.io.ObjectOutputStream; public class Main { public static byte[] serializeObject(Object o) throws Exception { ByteArrayOutputStream bos = null; ObjectOutputStream oos = null; if (o == null) { return null; } try { bos = new ByteArrayOutputStream(); oos = new ObjectOutputStream(bos); oos.writeObject(o); oos.flush(); return bos.toByteArray(); } finally { if (oos != null) { oos.close(); } } } }