Here you can find the source of createImageIcon(String path)
public static ImageIcon createImageIcon(String path) throws Exception
//package com.java2s; /*/*from w w w . j a v a 2 s . c o m*/ Copyright (C) 2005-2008 Contact: nina@acad.bg This program is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. All we ask is that proper credit is given for our work, which includes - but is not limited to - adding the above copyright notice to the beginning of your source code files, and to any copyright notice that you may distribute with programs based on this work. 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA */ import java.io.FileNotFoundException; import javax.swing.ImageIcon; public class Main { public static ImageIcon createImageIcon(String path) throws Exception { java.net.URL imgURL = ClassLoader.getSystemResource(path); if (imgURL != null) return new ImageIcon(imgURL); else throw new FileNotFoundException(path); } }