将异常信息放到文件中

package com.io;/*** 该类演示如何将异常信息放到文件当中*/import java.io.FileWriter;import java.io.IOException;import java.io.PrintWriter;import java.util.Date;public class AddTest {public static void main(String[] args) {FileWriter fw = null;PrintWriter log = null;try {fw = new FileWriter("G:/root/logfile.log", true);} catch (IOException e1) {e1.printStackTrace();}log = new PrintWriter(fw);try {divide(3, 0);} catch (Exception e) {e.printStackTrace();log.println("::::::::::::::::::::::::");log.println(new Date());log.print("信息:");// void java.lang.Throwable.printStackTrace(PrintWriter s)e.printStackTrace(log);// 或者// log.println("信息：" + e);log.println("::::::::::::::::::::::::");log.println();log.flush();log.close();}}public static int divide(int a, int b) {return a / b;}}