JAVA IO异常处理

// 仅作为学习笔记

/*IO 异常处理方式*/import java.io.*;class FileWriterDemo{public static void main(String []args){FileWriter fw = null;//先建立引用try{fw = new FileWriter("Demo.txt");//初始化fw.write("Test");}catch (IOException e){System.out.println(e.toString());}finally{try{if(fw != null)fw.close();//刷新流  并关闭流}catch (IOException e){System.out.println(e.toString());}}}}