Hex words: Difference between revisions
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│1│14600926│decade│
│1│57007 │deaf │</syntaxhighlight>
=={{header|Java}}==
<syntaxhighlight lang="java">
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import java.util.Set;
import java.util.stream.Collectors;
public final class HexWords {
public static void main(String[] aArgs) throws IOException {
Set<Character> hexDigits = Set.of( 'a', 'b', 'c', 'd', 'e', 'f' );
List<Item> items = Files.lines(Path.of("unixdict.txt"))
.filter( word -> word.length() >= 4 )
.filter( word -> word.chars().allMatch( ch -> hexDigits.contains((char) ch) ) )
.map( word -> { final int value = Integer.parseInt(word, 16);
return new Item(word, value, digitalRoot(value));
} )
.collect(Collectors.toList());
Collections.sort(items, Comparator.comparing(Item::getDigitalRoot).thenComparing(Item::getWord));
display(items);
List<Item> filteredItems = items.stream()
.filter( item -> item.aWord.chars().mapToObj( ch -> (char) ch ).collect(Collectors.toSet()).size() >= 4 )
.collect(Collectors.toList());
Collections.sort(filteredItems, Comparator.comparing(Item::getNumber).reversed());
display(filteredItems);
}
private static int digitalRoot(int aNumber) {
int result = 0;
while ( aNumber > 0 ) {
result += aNumber % 10;
aNumber /= 10;
}
return ( result <= 9 ) ? result : digitalRoot(result);
}
private static void display(List<Item> aItems) {
System.out.println(" Word Decimal value Digital root");
System.out.println("----------------------------------------");
for ( Item item : aItems ) {
System.out.println(String.format("%7s%15d%12d", item.aWord, item.aNumber, item.aDigitalRoot));
}
System.out.println(System.lineSeparator() + "Total count: " + aItems.size() + System.lineSeparator());
}
private static record Item(String aWord, int aNumber, int aDigitalRoot) {
public String getWord() { return aWord; }
public int getNumber() { return aNumber; }
public int getDigitalRoot() { return aDigitalRoot; }
}
}
</syntaxhighlight>
{{ out }}
<pre>
Word Decimal value Digital root
----------------------------------------
ababa 703162 1
abbe 43966 1
dada 56026 1
deaf 57007 1
decade 14600926 1
cede 52958 2
feed 65261 2
abed 44013 3
added 712173 3
bade 47838 3
beebe 782014 4
decca 912586 4
dade 56030 5
bead 48813 6
deface 14613198 6
babe 47806 7
fade 64222 7
dead 57005 8
efface 15727310 8
facade 16435934 8
accede 11325150 9
beef 48879 9
cafe 51966 9
dacca 896202 9
deed 57069 9
face 64206 9
Total count: 26
Word Decimal value Digital root
----------------------------------------
facade 16435934 8
efface 15727310 8
deface 14613198 6
decade 14600926 1
accede 11325150 9
decca 912586 4
fade 64222 7
face 64206 9
deaf 57007 1
cafe 51966 9
bead 48813 6
bade 47838 3
abed 44013 3
Total count: 13
</pre>
=={{header|jq}}==
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