// Get the timestamp from file 1
String f1 = args[0];
long d1 = new File(f1).lastModified();
// Get the timestamp from file 2
String f2 = args[1];
long d2 = new File(f2).lastModified();
String relation;
if (d1 == d2)
relation = "the same age as";
else if (d1 < d2)
relation = "older than";
else
relation = "newer than";
System.out.println(f1 + " is " + relation + ' " + f2);