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    copied!<p>You could use a <a href="http://guava-libraries.googlecode.com/svn/tags/release03/javadoc/com/google/common/collect/Multimap.html" rel="nofollow">MultiMap</a>, with the key being the status code and the values being the broken links. That pretty much automatically gets you both:</p> <ul> <li>Each individual non-200 status code (as keys)</li> <li>The count of the 'broken' links associated with each code (<code>map.get(code).size()</code>)</li> </ul> <p>Pseudo-ish code:</p> <pre><code>// declare a multimap, somewhere before you need to first access it Multimap&lt;Integer, String&gt; brokenLinkMap = ArrayListMultiMap.create(); // use the map, in your current if block if(statusCode != 200){ System.out.println((String) x.get(i) + statusCode + statusMessage); brokenLinkMap.put(statusCode, url.toExternalForm()); // &lt;-- adding to the map! } // after all links have been processed, you can dump the map contents for(final Integer key : brokenLinkMap.keys()) { System.out.printf("Broken link count for status %s: %s\n", key, brokenLinkMap.get(key).size()); } </code></pre> <p>Alternatively, you could use all standard JDK classes:</p> <pre><code>// declare a map of lists, somewhere before you first need to access it Map&lt;Integer, List&lt;String&gt;&gt; brokenLinkMap = new HashMap&lt;Integer, List&lt;String&gt;&gt;(4); // use the map, in your current if block if(statusCode != 200){ System.out.println((String) x.get(i) + statusCode + statusMessage); if(! brokenLinkMap.containsKey(statusCode)) { List&lt;String&gt; brokenLinkList = new ArrayList&lt;String&gt;(8); brokenLinkMap.put(statusCode, brokenLinkList); } brokenLinkMap.get(statusCode).add(url.toExternalForm()); // &lt;-- adding to the map! } // after all links have been processed, you can dump the map contents for(final Integer key : brokenLinkMap.keys()) { System.out.printf("Broken link count for status %s: %s\n", key, brokenLinkMap.get(key).size()); } </code></pre>
 

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