URL : openConnection()

package URL;

import java.io.BufferedInputStream;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;
import java.net.URL;
import java.net.URLConnection;
import java.util.Date;

public class openConnection {
    public static void main(String[] args)throws Exception{
        Date today=new Date();
        long millisecondsPerDay=24*60*60*1000;
       
        URL u=new URL("http://www.google.com");
        URLConnection uc=u.openConnection();
        uc.setIfModifiedSince((new Date(today.getTime() - millisecondsPerDay)).getTime());
        InputStream in=new BufferedInputStream(uc.getInputStream());
        Reader r=new InputStreamReader(in);
        int c;
       
        while((c=r.read())!=-1){
            System.out.println((char)c);
        }
    }
}