Request web page in Java example

long t0 = System.currentTimeMillis();
DataInputStream dis;
try {
 String urlString = "http://www.ibm.com";
 URL url = new URL(urlString);
 dis = new DataInputStream(url.openConnection().getInputStream());
 BufferedReader in = new BufferedReader(new InputStreamReader(dis));
 String total = "";
 String line = "";
 While ((line = in.readLine()) != null) {
total += line;
 } 
 in.close();  
} catch (Exception e) {
 System.out.println(e);
}
long t1 = System.currentTimeMillis();
System.out.println("time used = " + (t1-t0) + " ms.");

You can Writing to a URLConnection too.