Here you can find the source of log(Object o, String msg)
public static final void log(Object o, String msg)
//package com.java2s; /* $Id$/*from www .ja v a2 s. c om*/ * * This file is a part of jPapaBench providing a Java implementation * of PapaBench project. * Copyright (C) 2010 Michal Malohlava <michal.malohlava_at_d3s.mff.cuni.cz> * * 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. * */ import java.io.PrintStream; public class Main { public static final void log(Object o, String msg) { // log(System.out, o.getClass().getName(), msg); log(System.out, "missing: o.getClass().getName()", msg); } public static final void log(PrintStream os, String s, String msg) { os.print(s); os.print(": "); os.println(msg); } public static final void log(String name, String msg) { log(System.out, name, msg); } }