Here you can find the source of serialize(Serializable obj, OutputStream outputStream)
private static void serialize(Serializable obj, OutputStream outputStream)
//package com.java2s; /**/*from w ww . j av a 2 s. co m*/ * Copyright 2013-2018 the original author or authors from the Jeddict project (https://jeddict.github.io/). * * 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.IOException; import java.io.ObjectOutputStream; import java.io.OutputStream; import java.io.Serializable; public class Main { private static void serialize(Serializable obj, OutputStream outputStream) { if (outputStream == null) { throw new IllegalArgumentException("The OutputStream must not be null"); } ObjectOutputStream out = null; try { // stream closed in the finally out = new ObjectOutputStream(outputStream); out.writeObject(obj); } catch (IOException ex) { throw new IllegalStateException(ex); } finally { try { if (out != null) { out.close(); } } catch (IOException ex) { // ignore close exception } } } private static byte[] serialize(Serializable obj) { ByteArrayOutputStream baos = new ByteArrayOutputStream(512); serialize(obj, baos); return baos.toByteArray(); } }