Re: I need to retrieve an Object[] of all keys in java.util.Hashtable

From:
"Oliver Wong" <owong@castortech.com>
Newsgroups:
comp.lang.java.help
Date:
Tue, 13 Feb 2007 13:58:17 -0500
Message-ID:
<gTnAh.45871$me.579545@weber.videotron.net>
<phillip.s.powell@gmail.com> wrote in message
news:1171389631.320895.95390@p10g2000cwp.googlegroups.com...

On Feb 13, 12:57 pm, "Oliver Wong" <o...@castortech.com> wrote:

<phillip.s.pow...@gmail.com> wrote in message

news:1171387980.135671.15940@p10g2000cwp.googlegroups.com...

<pre>
<code>
/**

public abstract class ArrayFunctionality {

    * Construct {@link java.lang.Object} array of keys from {@link
java.util.Hashtable}
    * @param h {@link java.util.Hashtable}
    * @return array {@link java.lang.String}
    * @throws java.lang.IndexOutOfBoundsException Exception thrown if
initial {@link java.lang.Object} array paramater cannot be indexed
    */
   public static Object[] arrayKeys(Hashtable<Object, Object> h)
throws IndexOutOfBoundsException {
       Vector<Object> v = new Vector<Object>();
       Enumeration keys = h.keys();
       while (keys.hasMoreElements()) v.add(keys.nextElement());
       return v.toArray();
   }

}

// HOWEVER, this occurs with Hashtable<String, String> attrs:

if (hasSetHashtable) String[] keyArray =
ArrayFunctionality.arrayKeys(attrs);

// DOES NOT COMPILE: ".class expected - not a statement"

</code>
</pre>

I am not understanding why this is occurring, please advise, I'm lost
on this one.


http://moinmoin.riters.com/JINX/index.cgi/Suggestions_20for_20Asking_...


Sorry, but that *is* the entire error! It does not compile and that's
all you get when you use NetBeans 5.5 IDE


    Really? NetBeans signals compilation errors by embedding comments into
your source code, instead of displaying them in a seperate window? It
doesn't give you line numbers or anything like that?

    - Oliver

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