# 具体遇到的问题

java.io.IOException: Stream Closed

at java.io.FileOutputStream.writeBytes(Native Method)

at java.io.FileOutputStream.write(FileOutputStream.java:326)

at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82)

at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:140)

at com.imooc.io.IoTest.main(IoTest.java:22)

# 粘贴全部相关代码，切记添加代码注释（请勿截图）

public static void main(String[] args) {

try {

FileOutputStream fos1 = new FileOutputStream("two.text");

BufferedOutputStream bos = new BufferedOutputStream(fos1);

long start = System.currentTimeMillis();

for (int i = 1; i <= 100000; i++) {

bos.write('b');

}

long end = System.currentTimeMillis();

System.out.println(end - start);

fos1.close();

                        bos.flush();//bos.close();

} catch (FileNotFoundException e) {

// TODO Auto-generated catch block

e.printStackTrace();

} catch (IOException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

在这里输入代码，可通过选择【代码语言】突出显示