Re: How do I do this?

From:
Patricia Shanahan <pats@acm.org>
Newsgroups:
comp.lang.java.programmer
Date:
Sat, 10 Feb 2007 09:34:20 -0800
Message-ID:
<eqkvms$gqs$1@ihnp4.ucsd.edu>
tim@nocomment.com wrote:

Here is the code I am trying to run. I am getting the error specified
after the code. I don't understand why I have to do so much for such a
basic thing but none the less...

package test;

import java.util.*;
import java.util.Map.Entry;

 public class Map {
    public static void main (String[] args) {
     TreeMap map = new TreeMap ();
     map.put ("ccc", "third.6");
     map.put ("bb3", "second.3");
     map.put ("bb2", "second.2");
     map.put ("bb1", "second.1");
     map.put ("aaa", "third");
     Iterator i = map.entrySet().iterator();
     while (i.hasNext()) {
       Map.Entry e = (Map.Entry)i.next();
       if (e != null) {
         String key = (String)e.getKey();
         if (key != null && key.length() > 0) {
            String value = (String)e.getValue();
         } // end if key not null
       } // end if entry not null
     } // end while
   }
 }

I am getting the error:
Map.Entry cannot be resolved to a type

I am importing Map.Entry. Anyone have any ideas as to what is causing
this?


Possibly the fact that you are declaring a class Map, so the compiler is
going to look for a class Entry inside it?

If that is the problem, it can be fixed by either fully qualifying:

java.util.Map.Entry

or by picking a better name for your class. It is presumably some
particular type of map that you are implementing, not the overall
general concept of map.

Patricia

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