java缓冲读写

原创于 2011-08-05 15:54:52 发布 · 148 阅读

0 ·

CC 4.0 BY-SA版权

文章标签：

#java

Core Java 专栏收录该内容

28 篇文章

订阅专栏

本文演示了如何使用Java的BufferedReader和BufferedWriter类读取和写入文件，包括创建输入和输出流，使用readLine方法读取文件内容，并使用write方法将字符串写入文件。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

public static void main(String[] args) throws Exception {
		String directory = "D:\\workspace\\aaa\\src\\online\\test.txt";
		BufferedReader bufferedReader = new BufferedReader(
				new InputStreamReader(new BufferedInputStream(
						new FileInputStream(directory))));
		// use the readLine to read file of char.
		String data = null;
		while ((data = bufferedReader.readLine()) != null) {
			System.out.println(data);
		}


		BufferedWriter bufferWriter = new BufferedWriter(
				new OutputStreamWriter(new BufferedOutputStream(
						new FileOutputStream(directory))));
		String str = "hello world";
		bufferWriter.write(str, 0, str.length());

		bufferedReader.close();
		bufferWriter.close();
	}