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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


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