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Groups > comp.lang.java.programmer > #34365
| From | Eric Sosman <esosman@comcast-dot-net.invalid> |
|---|---|
| Newsgroups | comp.lang.java.programmer |
| Subject | Re: how does one explain this syntax? |
| Date | 2016-05-22 07:21 -0400 |
| Organization | A noiseless patient Spider |
| Message-ID | <nhs4gm$lre$1@dont-email.me> (permalink) |
| References | <nhrhd5$7r6$1@reader1.panix.com> |
On 5/22/2016 1:51 AM, ruben safir wrote:
> This passes for a demonstration and teaching example for a TreeMap
Until somebody added uncompilable junk to it, perhaps.
> import java.util.TreeMap;
> import java.util.Set;
> import java.util.Iterator;
> import java.util.Map;
>
> public class Details {
>
> public static void main(String args[]) {
>
> /* This is how to declare TreeMap */
> TreeMap<Integer, String> tmap =
> new TreeMap<Integer, String>(); <<studdering is always good
Not sure what you mean here.
> /*Adding elements to TreeMap*/
> tmap.put(1, "Data1");
> tmap.put(23, "Data2");
> tmap.put(70, "Data3");
> tmap.put(4, "Data4");
> tmap.put(2, "Data5");
>
> /* Display content using Iterator*/
> Set set = tmap.entrySet(); <<random obscure syntax... that is a
> constructor for another class?
It's a method call.
> Iterator iterator = set.iterator(); <<again, twice?
It's a method call.
> while(iterator.hasNext()) {
> Map.Entry mentry = (Map.Entry)iterator.next(); <<What the heck
> is this?
It's a method call, with a cast applied to the returned value.
> System.out.print("key is: "+ mentry.getKey() + " & Value is:
> "); <<How many levels of random systax does one need to just to do a loop?
It's a method call, not something random and certainly not "systax."
> System.out.println(mentry.getValue());
> }
>
> }
> }
--
esosman@comcast-dot-net.invalid
"Don't be afraid of work. Make work afraid of you." -- TLM
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how does one explain this syntax? ruben safir <ruben@mrbrklyn.com> - 2016-05-22 01:51 -0400
Re: how does one explain this syntax? Martin Gregorie <martin@address-in-sig.invalid> - 2016-05-22 10:05 +0000
Re: how does one explain this syntax? Eric Sosman <esosman@comcast-dot-net.invalid> - 2016-05-22 07:21 -0400
Re: how does one explain this syntax? Popping mad <rainbow@colition.gov> - 2016-05-22 20:21 +0000
Re: how does one explain this syntax? Lars Enderin <lars.enderin@telia.com> - 2016-05-22 22:32 +0200
Re: how does one explain this syntax? Eric Sosman <esosman@comcast-dot-net.invalid> - 2016-05-22 17:32 -0400
Re: how does one explain this syntax? Lew <lewbloch@gmail.com> - 2016-05-23 14:36 -0700
Re: how does one explain this syntax? Lew <lewbloch@gmail.com> - 2016-05-23 14:34 -0700
Re: how does one explain this syntax? Knute Johnson <nospam@rabbitbrush.frazmtn.com> - 2016-05-22 08:41 -0700
Re: how does one explain this syntax? Robert Klemme <shortcutter@googlemail.com> - 2016-05-22 22:22 +0200
Re: how does one explain this syntax? Knute Johnson <nospam@rabbitbrush.frazmtn.com> - 2016-05-22 22:13 -0700
Re: how does one explain this syntax? Eric Sosman <esosman@comcast-dot-net.invalid> - 2016-05-23 07:32 -0400
Re: how does one explain this syntax? Robert Klemme <shortcutter@googlemail.com> - 2016-05-23 04:57 -0700
Re: how does one explain this syntax? Popping mad <rainbow@colition.gov> - 2016-05-22 20:23 +0000
Re: how does one explain this syntax? Roedy Green <inquiry@mindprod.com> - 2016-05-30 21:51 -0700
Re: how does one explain this syntax? Roedy Green <inquiry@mindprod.com> - 2016-05-30 21:54 -0700
Re: how does one explain this syntax? Roedy Green <inquiry@mindprod.com> - 2016-05-30 22:00 -0700
Re: how does one explain this syntax? Roedy Green <inquiry@mindprod.com> - 2016-05-30 22:17 -0700
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