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Java - Code Samples

 Sample 1. Sort Entries of a Map by Value

public class BuggyBread {
   public static void main(String args[]) {
      Map<String,Integer> wordLength = new HashMap();
      
      String str = "We are what we repeatedly do; excellence, then, is not an act but a habit";
      
      for(String word: str.split(" ")){
            wordLength.put(word, word.length());
      }
      
      List<Map.Entry<String, Integer>> list = new LinkedList<Map.Entry<String, Integer>>( wordLength.entrySet() );
      
      Collections.sort( list, new Comparator<Map.Entry<String, Integer>>()
{
public int compare( Map.Entry<String, Integer> o1, Map.Entry<String, Integer> o2 )
{
return (o1.getValue()).compareTo( o2.getValue() ) * -1;
}
} );
      
      System.out.println(list);
      
   }
}

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