问题遇到的现象和发生背景
用代码块功能插入代码,请勿粘贴截图
运行结果及报错内容
```java
import java.io.BufferedOutputStream;
import java.io.FileOutputStream;
import java.io.IOException;
public class BufferStreamDome1 {
public void main(String[] args) throws IOException {
// FileOutputStream fos=new FileOutputStream("bs.txt");
// BufferedOutputStream bos=new BufferedOutputStream(fos);
BufferedOutputStream bos=new BufferedOutputStream(new FileOutputStream("bs.txt"));
bos.write("hello".getBytes());
bos.write("world".getBytes());
bos.flush();
bos.close();
}
}