深度Clone以及序列化与反序列化的使用

 /**
     * Clone Object
     * @param obj
     * @return
     * @throws Exception
     */
    private static Object cloneObject(Object obj) throws Exception{
        ByteArrayOutputStream  byteOut = new ByteArrayOutputStream();  
        ObjectOutputStream out = new ObjectOutputStream(byteOut);  
        out.writeObject(obj);         
        ByteArrayInputStream byteIn = new ByteArrayInputStream(byteOut.toByteArray());  
        ObjectInputStream in =new ObjectInputStream(byteIn);        
        return in.readObject();
}