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Task/Ordered-words/Java/ordered-words.java

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+import java.io.BufferedReader;
+import java.io.FileReader;
+import java.io.IOException;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.LinkedList;
+import java.util.List;
+
+public class Ordered {
+
+	private static boolean isOrderedWord(String word){
+		char[] sortedWord = word.toCharArray();
+		Arrays.sort(sortedWord);
+		return word.equals(new String(sortedWord));
+	}
+	
+	public static void main(String[] args) throws IOException{
+		List<String> orderedWords = new LinkedList<String>();
+		BufferedReader in = new BufferedReader(new FileReader(args[0]));
+		while(in.ready()){
+			String word = in.readLine();
+			if(isOrderedWord(word)) orderedWords.add(word);
+		}
+		in.close();
+		
+		Collections.<String>sort(orderedWords, new Comparator<String>() {
+			@Override
+			public int compare(String o1, String o2) {
+				return new Integer(o2.length()).compareTo(o1.length());
+			}
+		});
+		
+		int maxLen = orderedWords.get(0).length();
+		for(String word: orderedWords){
+			if(word.length() == maxLen){
+				System.out.println(word);
+			}else{
+				break;
+			}
+		}
+	}
+}