Here you can find the source of equals(T o0, T o1)
public static <T> boolean equals(T o0, T o1)
//package com.java2s; /*/*w ww .j a v a 2 s . c om*/ * Copyright (C) 2007-2012 Geometer Plus <contact@geometerplus.com> * * 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., 51 Franklin Street, Fifth Floor, Boston, MA * 02110-1301, USA. */ public class Main { /** * * @Description: * @Author Administrator * @Date 2013-5-2 */ public static <T> boolean equals(T o0, T o1) { return o0 == null ? o1 == null : o0.equals(o1); } }