import java.net.*; import java.io.*; import java.util.*; public class Last24 { public static void main (String[] args) { // Initialize a Date object with the current date and time Date today = new Date(); long millisecondsPerDay = 24 * 60 * 60 * 1000; for (int i = 0; i < args.length; i++) { try { URL u = new URL(args[i]); URLConnection uc = u.openConnection(); System.out.println("Will retrieve file if it's changed since " + new Date(uc.getIfModifiedSince())); uc.setIfModifiedSince((new Date(today.getTime() - millisecondsPerDay)).getTime()); System.out.println("Will retrieve file if it's changed since " + new Date(uc.getIfModifiedSince())); InputStream in = new BufferedInputStream(uc.getInputStream()); Reader r = new InputStreamReader(in); int c; while ((c = r.read()) != -1) { System.out.print((char) c); } System.out.println(); } catch (Exception e) { System.err.println(e); } } } }