Here you can find the source of writeObjectToStream(Object sourceObject, ByteArrayOutputStream baos)
private static <T> void writeObjectToStream(Object sourceObject, ByteArrayOutputStream baos) throws IOException
//package com.java2s; /*/*from w w w. j av a 2 s .c om*/ * Copyright (c) 2015 Goldman Sachs. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * and Eclipse Distribution License v. 1.0 which accompany this distribution. * The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html * and the Eclipse Distribution License is available at * http://www.eclipse.org/org/documents/edl-v10.php. */ import java.io.ByteArrayOutputStream; import java.io.IOException; import java.io.ObjectOutputStream; public class Main { private static <T> void writeObjectToStream(Object sourceObject, ByteArrayOutputStream baos) throws IOException { ObjectOutputStream objectOutputStream = new ObjectOutputStream(baos); try { objectOutputStream.writeObject(sourceObject); objectOutputStream.flush(); objectOutputStream.close(); } finally { objectOutputStream.close(); } } }