我的日志文件java logger

操作读取日志文件，

1、使用默认的日志文件，并验证默认级别

 1 public void originalConfig()
 2     {
 3         Logger logger = Logger.getLogger(Logger.GLOBAL_LOGGER_NAME);
 4         logger.setLevel(Level.FINE);//add level limit
 5         logger.info("enter my info :");
 6         try
 7         {
 8             int t =9/0;
 9         }
10         catch(Exception e)
11         {
12             logger.info("devide is '0',which is prohibit!" + e);
13             logger.fine("This is a fine level message!");
14         }
15     }

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