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import java.util.*;
import java.io.*;
public class Scrabble {
public static void main(String[] args) {
Set<String> dictionary = loadDictionary();
List<Character> letters = readLetters();
System.out.println("Searching " + letters);
findWords(letters, dictionary);
}
public static void findWords(List<Character> letters, Set<String> dict) {
findWords(letters, dict, "");
}
private static void findWords(List<Character> letters, Set<String> dict, String soFar) {
if (dict.contains(soFar)) {
System.out.println(soFar);
}
if (!letters.isEmpty()) {
for (int i = 0; i < letters.size(); i++) {
char letter = letters.remove(i);
findWords(letters, dict, soFar+letter);
letters.add(i, letter);
}
}
}
// HELPER METHODS
// does not check if word is legal
private static int scoreWord(String word) {
// A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z
int[] values = {1, 3, 3, 2, 1, 4, 2, 4, 1, 8, 5, 1, 3, 1, 1, 3, 10, 1, 1, 1, 1, 4, 4, 8, 4, 10};
int score = 0;
word = word.toUpperCase();
for (int i = 0; i < word.length(); i++) {
char ch = word.charAt(i);
score += values[ch - 'A'];
}
return score;
}
private static List<Character> readLetters() {
List<Character> result = new ArrayList<>();
Scanner input = new Scanner(System.in);
System.out.print("Enter letters separated by whitespace: ");
Scanner letters = new Scanner(input.nextLine());
while (letters.hasNext()) {
String letter = letters.next();
if (letter.length() > 1) {
System.out.println(" Skipping " + letter + " - not one letter");
} else {
result.add(letter.toUpperCase().charAt(0));
}
}
return result;
}
private static Set<String> loadDictionary() {
try {
Scanner input = new Scanner(new File("dictionary.txt"));
Set<String> dict = new HashSet<>();
while (input.hasNextLine()) {
dict.add(input.nextLine());
}
return dict;
} catch (Exception e) {
return null;
}
}
}
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