低级知识传播者

mirrorwriter类中的域： /**      * Key to use asking settings for character map.      */     public static final String ATTR_CHAR_MAP = "character-map"; addElementToDefinition(new StringList(ATTR

log4j.properties:log4j.rootLogger=debug, stdout log4j.appender.stdout=org.apache.log4j.ConsoleAppender log4j.appender.stdout.layout=org.apache.log4j.PatternLayout # Pattern to output the caller's file

centos7安装jdk