java：文件写入BufferedOutputStream写入字节和PrintWriter写入字符

BufferedOutputStream 和 FileOutputStream写入二进制字节

方法定义

public BufferedOutputStream(OutputStream out) {

示例

BufferedOutputStream writer = new BufferedOutputStream(new FileOutputStream("demo.txt"));

writer.write("hello world".getBytes());

writer.close();

PrintWriter写入文本字符

方法定义

public PrintWriter(String fileName) throws FileNotFoundException{}

示例

PrintWriter writer = new PrintWriter("demo.txt");

writer.write("hello world");

writer.close();

参考

java自学：java写入文件有哪几种方法

————————————————

版权声明：本文为CSDN博主「彭世瑜」的原创文章，遵循CC 4.0 BY-SA版权协议，转载请附上原文出处链接及本声明。

原文链接：https://blog.csdn.net/mouday/article/details/130306194