JavaSE/JavaIO/FileOutputStream_t.java at master · goder/JavaSE · GitHub

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* 功能：FileOutputStream类基本功能，读取文件，写出文件，每次读写一个字节

* 1、

package com.bj.io;

import java.io.*;

public class FileOutputStream_t {

public static void main(String[] args) {

//定义File对象

File file=new File("D:/www/test.txt");

//字节输出流

FileOutputStream fos=null;

try {

fos=new FileOutputStream(file);

//字符串

String s="I have a dream.\r\n";

String s1="you have a dream.";

//定义字节数组

//byte bytes[]=new byte[1024];

fos.write(s.getBytes());

fos.write(s1.getBytes());

} catch ( Exception e) {

// TODO Auto-generated catch block

e.printStackTrace();

}finally{

try {

fos.close();

} catch (IOException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}