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POPrinting a sorted treemap(sorted based on values)
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  1. POPrinting a sorted treemap(sorted based on values)
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    copied!<p>I have a sorted a TreeMap based on values, and it's printed as shown:</p> <pre><code>abortion-2 able-2 ab-2 aaron-2 aaa-2 aa-2 a-2 absent-1 absence-1 abraham-1 ability-1 aberdeen-1 abc-1 </code></pre> <p>But it seems like the words with same values are being printed in the reverse sorted order:</p> <p><em><strong>"abortion, able, ab, aaron, aaa, aa, a"</em></strong> instead of <strong><em>"a, aa, aaa, aaron, ab, able abortion"</em></strong> and so on. </p> <p>I have even thought of adding each set of keys having same value to the TreeSet and print it out, but I couldn't iterate it based on next values.</p> <p>Here is the comparator that I'm passing on to the TreeMap. Can anybody help me correcting the code to print it in the correct order? </p> <pre><code> public class MyComparator implements Comparator&lt;String&gt;{ Map&lt;String, Integer&gt; tiedMap; public MyComparator(Map&lt;String, Integer&gt; map){ this.tiedMap = map; } public int compare(String a, String b){ if(tiedMap.get(a)&gt;=tiedMap.get(b)){ return -1; } else return 1; } } </code></pre> <p>And here is how I'm trying to print it:</p> <pre><code>Iterator it = tree.entrySet().iterator(); for(int i=0; i&lt;n; i++){ if(it.hasNext()){ Map.Entry pairs = (Map.Entry)it.next(); System.out.println(pairs.getKey()+"-"+pairs.getValue()); } } </code></pre> <p>Edit: I'm reading the input into a TreeMap, and then passing it to another TreeMap.</p> <p>Edit: Code that creates TreeMaps:</p> <pre><code>Map&lt;String, Integer&gt; map = new TreeMap&lt;String, Integer&gt;(); Words t = new Words(); MyComparator comp = w.(new MyComparator(map)); Map&lt;String, Integer&gt; tree = new TreeMap&lt;String, Integer&gt;(comp); int size = Integer.parseInt(buffer.readLine()); for(int i = size; i&gt;0; i--){ reader = buffer.readLine(); if(map.get(reader)!=null){ map.put(reader, map.get(reader)+1); } else map.put(reader, 1); } tree.putAll(map); </code></pre>
 

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