/**

* 书本:《Thinking In Java》

* 功能:将异常输出记录到日志中。

* 文件:LoggingExceptions.java

* 时间:2015年4月8日21:11:51

* 作者:cutter_point

*/

package Lesson12_error_handling_with_exceptions;

import java.io.PrintWriter;

import java.io.StringWriter;

import java.util.logging.Logger;

class LoggingException extends Exception

{

private static Logger logger = Logger.getLogger("LoggingException");

public LoggingException()

{

StringWriter trace = new StringWriter();

printStackTrace(new PrintWriter(trace));

logger.severe(trace.toString());

}

}

public class LoggingExceptions

{

public static void main(String [] args)

{

try

{

throw new LoggingException();

}

catch (LoggingException e)

{

System.err.println("Caught " + e);

}

try

{

throw new LoggingException();

}

catch (LoggingException e)

{

System.err.println("Caught " + e);

}

}

}

输出：

五月 04, 2015 3:53:49 下午 Lesson12_error_handling_with_exceptions.LoggingException 严重: Lesson12_error_handling_with_exceptions.LoggingException     at Lesson12_error_handling_with_exceptions.LoggingExceptions.main(LoggingExceptions.java:32) Caught Lesson12_error_handling_with_exceptions.LoggingException 五月 04, 2015 3:53:49 下午 Lesson12_error_handling_with_exceptions.LoggingException 严重: Lesson12_error_handling_with_exceptions.LoggingException     at Lesson12_error_handling_with_exceptions.LoggingExceptions.main(LoggingExceptions.java:41) Caught Lesson12_error_handling_with_exceptions.LoggingException