Here you can find the source of serialize(Object object, OutputStream out)
public static void serialize(Object object, OutputStream out) throws IOException
//package com.java2s; /*// w ww . j a v a 2 s . c o m * Copyright 2013 Google Inc. All Rights Reserved. * * 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.*; public class Main { public static void serialize(Object object, OutputStream out) throws IOException { ObjectOutputStream objectOut = null; try { objectOut = new ObjectOutputStream(out); objectOut.writeObject(object); } finally { if (objectOut != null) { try { objectOut.close(); } catch (IOException ignored) { } } } } }