Java 之文件IO编程 之写入

package com.sun;
/*
 * 操作对文件IO的写
 * 2014-08-10
 */
import java.io.*;
public class File_Write {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        FileOutputStream fos=null;
        //创建一个文件对象
         File file_writer  = new File ("d:\\bb.txt");
       //加入到一个输出流
         try {
             fos = new  FileOutputStream(file_writer);
            String s = "上山打老虎";
             byte[] bytes = new byte[1024];
            fos.write(s.getBytes());
            fos.write(s.getBytes());
        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }finally{
            try {
                fos.close();//关闭此文件输出流并释放与此流有关的所有系统资源。
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
    }
    public File_Write() {
        // TODO Auto-generated constructor stub
    }

}