Initial data commit

Task/Word-wheel/Java/word-wheel.java

@@ -0,0 +1,39 @@
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.net.URI;
+import java.util.function.Predicate;
+
+public final class WordWheel {
+
+	public static void main(String[] args) throws IOException {
+		String wordWheel = "N  D  E"
+				         + "O  K  G"
+				         + "E  L  W";		
+		
+		String allLetters = wordWheel.toLowerCase().replace(SPACE_CHARACTER, EMPTY_STRING);		
+		String middleLetter = allLetters.substring(4, 5);
+		
+		Predicate<String> correctWords = word -> {
+			if ( ! word.contains(middleLetter) || 3 > word.length() || word.length() > 9 ) {
+				return false;
+			}
+						
+			for ( String letter : allLetters.split(EMPTY_STRING) ) {
+				word = word.replaceFirst(letter, EMPTY_STRING);
+			}
+			
+			return word.isEmpty();
+		};
+		
+		String url = "http://wiki.puzzlers.org/pub/wordlists/unixdict.txt";		
+		InputStream stream = URI.create(url).toURL().openStream();
+		BufferedReader reader = new BufferedReader( new InputStreamReader(stream) );
+		reader.lines().filter(correctWords).forEach(System.out::println);
+	}	
+	
+	private static final String EMPTY_STRING = "";
+	private static final String SPACE_CHARACTER = " ";
+
+}