Re: [jdt-core-dev] Problem with generics, Map.Entry

[Philippe P Mulet <philippe_mulet@xxxxxxxxxx>]

Thanks for reporting these directly to our bugzilla database (against
JDT/Core).
https://bugs.eclipse.org/bugs/enter_bug.cgi



                                                                           
             David Hovemeyer                                               
             <daveho@xxxxxxxxx                                             
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                                       [jdt-core-dev] Problem with         
             09/16/2004 04:43          generics, Map.Entry                 
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Howdy,

Please accept my apologies if this is the wrong mailing list,
or if this is a known problem.

I'm using Eclipse 3.0 with the org.eclipse.jdt.core and
org.eclipse.jdt.ui plugins upgraded to HEAD, and the
org.eclipse.jdt.debug plugin upgraded to JDK_1_5.  (I built these
yesterday.)  My hope is to be able to use Eclipse to work on a
fairly large project that uses generics, but no other 1.5 language
features.

Almost all of the project built fine within Eclipse (!).  However,
I'm getting compile errors in places where entrySet().iterator()
is called on a Map with type parameters.  The following
code (which compiles fine using 1.5 beta2 javac) demonstrates the
problem:

package edu.umd.cs.daveho;

import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;

public class CheetahBug {
             public static void main(String[] args) {
                         Map<String, String> map = new HashMap<String,
String>();

                         map.put("foo", "bar");

                         // Error reported on the following line
                         Iterator<Map.Entry<String,String>> i =
map.entrySet().iterator();
                         while (i.hasNext()) {
                                     Map.Entry<String, String> entry =
i.next();
                                     System.out.println(entry.getKey() + ",
" + entry.getValue());
                         }
             }
}

There are a few other places where Eclipse flags errors on things
that compile fine in 1.5.  I'll try to distill these as small test
cases.

-Dave
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