Java代码获取网络可用性

[codesyntax lang="java" lines="normal"]

try
{
	boolean available = InetAddress.getByName("surenpi.com").isReachable(2000);

	System.out.println(available);
}
catch (UnknownHostException e)
{
	e.printStackTrace();
}
catch (IOException e)
{
	e.printStackTrace();
}

[/codesyntax]