Java tutorial
//package com.java2s; /** * Copyright (C) Azureus Software, Inc, All Rights Reserved. * <p/> * 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 2 * of the License, or (at your option) 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, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ public class Main { public static String getCauses(Throwable e) { try { StringBuilder sb = new StringBuilder(); while (e != null) { if (sb.length() > 0) { sb.append(", "); } sb.append(e.getClass().getSimpleName()); e = e.getCause(); } return sb.toString(); } catch (Throwable derp) { return "derp " + derp.getClass().getSimpleName(); } } }