package itcast.java16;import java.io.FileWriter;import java.io.IOException;/* * IO异常处理方式 *  */public class FileWriterDemo2 {    public static void main(String[] args) {        FileWriter fw =null;        try {            fw = new FileWriter("demo.txt");            fw.write("abcde");        } catch (IOException e) {            // TODO Auto-generated catch block            e.printStackTrace();        } finally {            try {                if (fw != null)                    fw.close();            } catch (IOException e) {                // TODO Auto-generated catch block                e.printStackTrace();            }        }    }}