Support Forums: Message List - Five favorite features in Java 5

Support Forums: Message List - Five favorite features in Java 5 http://www.theserverside.com Most recent forum messages en Jive Forums Silver 5.5.30 (www.jivesoftware.com) Sat, 25 May 2013 23:11:15 -0400 Five favorite features in Java 5 http://www.theserverside.com/discussions/thread.tss?thread_id=33466
Other than that they managed to give us a lot of the stuff I came to detest in C++ plus a number of yet more unnecessary syntax sugar, including...]]> Fri, 29 Apr 2005 03:29:01 -0400 Fri, 29 Apr 2005 03:29:01 -0400 Fri, 29 Apr 2005 03:29:01 -0400 Apr 29, 2005 Karl Banke 0 Five favorite features in Java 5 http://www.theserverside.com/discussions/thread.tss?thread_id=33466 Interesting thanks. I must admit the Hex floating point literals are rather fun, a bit like the good ol'days with C on IEEE floating point stuff. Not exactly the best part of Java but curious all the same. I think my favourite new feature in...]]> Tue, 26 Apr 2005 17:03:46 -0400 Tue, 26 Apr 2005 17:03:46 -0400 Tue, 26 Apr 2005 17:03:46 -0400 Apr 26, 2005 Jason Carreira 0 Visitors http://www.theserverside.com/discussions/thread.tss?thread_id=33466 And it's rather easy to have a very generic visitor interface, which happens to evaluate...]]> Mon, 25 Apr 2005 17:29:08 -0400 Mon, 25 Apr 2005 17:29:08 -0400 Mon, 25 Apr 2005 17:29:08 -0400 Apr 25, 2005 Matthew Inger 0 Re: InputStream http://www.theserverside.com/discussions/thread.tss?thread_id=33466 Mon, 25 Apr 2005 16:34:33 -0400 Mon, 25 Apr 2005 16:34:33 -0400 Mon, 25 Apr 2005 16:34:33 -0400 Apr 25, 2005 Raymond Kroeker 0 It is definitely not the generics http://www.theserverside.com/discussions/thread.tss?thread_id=33466 They make the code much more verbose than the old explicit casting, there is no speed improvement since all the...]]> Mon, 25 Apr 2005 16:01:56 -0400 Mon, 25 Apr 2005 16:01:56 -0400 Mon, 25 Apr 2005 16:01:56 -0400 Apr 25, 2005 Werner Punz 0 nested loops http://www.theserverside.com/discussions/thread.tss?thread_id=33466
for (Iterator iter = orders.iterator(); iter.hasNext(); ) {
Order o = iter.next();
for (Iterator iter2 =...]]> Mon, 25 Apr 2005 12:46:56 -0400 Mon, 25 Apr 2005 12:46:56 -0400 Mon, 25 Apr 2005 12:46:56 -0400 Apr 25, 2005 Patrick Linskey 0 nested loops http://www.theserverside.com/discussions/thread.tss?thread_id=33466
for (Iterator iter = orders.iterator(); iter.hasNext(); ) {
  Order o = iter.next();
  for (Iterator iter2 = o.lineItems().iterator();...]]> Mon, 25 Apr 2005 12:09:54 -0400 Mon, 25 Apr 2005 12:09:54 -0400 Mon, 25 Apr 2005 12:09:54 -0400 Apr 25, 2005 Patrick Linskey 1 Dsiagree a little http://www.theserverside.com/discussions/thread.tss?thread_id=33466 Do you really believe that's a good example. I mean, short of debug/test code, hwo often have you had to do that? Yes :-)

I just picked a random class from one of my projects and here are some of the loops I...]]> Mon, 25 Apr 2005 08:50:59 -0400 Mon, 25 Apr 2005 08:50:59 -0400 Mon, 25 Apr 2005 08:50:59 -0400 Apr 25, 2005 Cedric Beust 2 InputStream http://www.theserverside.com/discussions/thread.tss?thread_id=33466 I hope you realize that if they had used "in" as keyword it would have meant that a massive amount of code would have to be rewritten. "InputStream in=..." is veeeery common.Same thing goes for "enum" though I...]]> Mon, 25 Apr 2005 07:46:03 -0400 Mon, 25 Apr 2005 07:46:03 -0400 Mon, 25 Apr 2005 07:46:03 -0400 Apr 25, 2005 Daniel Dyer 0 Dsiagree a little http://www.theserverside.com/discussions/thread.tss?thread_id=33466

I prefer:&nbsp;&nbsp;things.visit(painter)

Visitor is a sophisticated pattern that you should only use for sophisticated problems.How about enumerating an array of strings? Visitors, iterators and even...]]> Mon, 25 Apr 2005 07:27:35 -0400 Mon, 25 Apr 2005 07:27:35 -0400 Mon, 25 Apr 2005 07:27:35 -0400 Apr 25, 2005 Brian Sayatovic 3 InputStream http://www.theserverside.com/discussions/thread.tss?thread_id=33466 It would be even more cleaner if they allowed in keyword instead of a cryptic ':'.I hope you realize that if they had used "in" as keyword it would have meant that a massive amount of code would have to be rewritten....]]> Sat, 23 Apr 2005 05:48:09 -0400 Sat, 23 Apr 2005 05:48:09 -0400 Sat, 23 Apr 2005 05:48:09 -0400 Apr 23, 2005 Rickard Oberg 2 Cleaner http://www.theserverside.com/discussions/thread.tss?thread_id=33466 for (String name : names) {
  System.out.println(name);
}
It doesn't get any cleaner that this.It would be even more cleaner if they allowed in keyword instead of a cryptic ':'.]]> Sat, 23 Apr 2005 04:57:59 -0400 Sat, 23 Apr 2005 04:57:59 -0400 Sat, 23 Apr 2005 04:57:59 -0400 Apr 23, 2005 Trond Andersen 3 I can! I can! http://www.theserverside.com/discussions/thread.tss?thread_id=33466 Cedric wins on technical knock out. *gong*ADRIANNE!!!!]]> Sat, 23 Apr 2005 03:28:38 -0400 Sat, 23 Apr 2005 03:28:38 -0400 Sat, 23 Apr 2005 03:28:38 -0400 Apr 23, 2005 Cedric Beust 0 I can! I can! http://www.theserverside.com/discussions/thread.tss?thread_id=33466

for (String name : names) {&nbsp;&nbsp;System.out.println(name);}...And here is a bonus question: can you tell the type of "names" is in the code above? You can't!

Why, it's a...]]> Sat, 23 Apr 2005 02:11:52 -0400 Sat, 23 Apr 2005 02:11:52 -0400 Sat, 23 Apr 2005 02:11:52 -0400 Apr 23, 2005 Rickard Oberg 1 I can! I can! http://www.theserverside.com/discussions/thread.tss?thread_id=33466 Why, it's a java.lang.Iterable, of course!
How about:

String[] names = {"x", "y", "z"};
for (String name : names) {
System.out.println(name);
}
]]> Sat, 23 Apr 2005 01:25:48 -0400 Sat, 23 Apr 2005 01:25:48 -0400 Sat, 23 Apr 2005 01:25:48 -0400 Apr 23, 2005 Leon Smith 0