题目:
请在下列程序的空白处,填上适当的内容:
Import java.awt.*;
Import java.util.*;
Class BufferTest
Public static void main(string args[])
Throws IOException
FileOutputStream unbuf=
new FileOutputStream("test.one");
BufferedOutputStream buf=
new______(new FileOutputStream("test.two"));
System.out.println
("write file unbuffered:"+time(unbuf)+"ms");
System.out.println
("write file buffered:"+time(buf)+"ms");
Static int time(OutputStream os)
Throws IOException
Date then=new Date();
for(int i=0;i<50000;i++)
os.write(1);
os.close();
return(int)(()new Date()).getTime()-then.getTime());
答案:
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参考答案:C解析:奶制品易使痰液变稠,使感染加重,应避免食用。