Here you can find the source of writeObject(Object object, String path)
public static void writeObject(Object object, String path) throws IOException
//package com.java2s; /*/* w ww. j a va 2 s. c o m*/ * FileUtils.java * * Copyright (C) 2002-2015 Takis Diakoumis * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 3 * of the License, or any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. * */ import java.io.BufferedOutputStream; import java.io.FileOutputStream; import java.io.IOException; import java.io.ObjectOutputStream; public class Main { public static void writeObject(Object object, String path) throws IOException { FileOutputStream fileOut = null; BufferedOutputStream bufferedOut = null; ObjectOutputStream objectOut = null; try { fileOut = new FileOutputStream(path); bufferedOut = new BufferedOutputStream(fileOut); objectOut = new ObjectOutputStream(bufferedOut); objectOut.writeObject(object); objectOut.flush(); } finally { try { if (objectOut != null) { objectOut.close(); } if (bufferedOut != null) { bufferedOut.close(); } if (fileOut != null) { fileOut.close(); } } catch (IOException e) { } } } }