Java如何清楚緩沖數據

Java怎么清楚緩沖數據
Socket   client   =new   Socket( "10.242.10.75 ",4660);
BufferedReader   in=new   BufferedReader(new   InputStreamReader(client.getInputStream()));
while(true)
{
    readMess=in.readLine().trim();
}
怎么過一段時間要清除一次緩沖數據怎么做?




[解决办法]
没做过，up
[解决办法]
flush()
close()
[解决办法]
自己看书啊