log4j-如何将日志打印到控制台:log4j-demo.zip

package com.yveshe; import org.apache.log4j.Logger; /** * Hello world! */ public class Test { static Logger log = Logger.getLogger(Test.class.getName()); public static void main(String[] args) { log.trace("This is trace record!"); log.debug("This is debug record!"); log.info("This is info record!"); log.warn("This is warn record!"); log.error("This is error record!"); log.fatal("This is fatal record!"); } }