import java.util.regex.Matcher;
import java.util.regex.Pattern;
final class Acronym {
private final String acronym;
Acronym(String phrase) {
acronym = generateAcronym(phrase);
}
String get() {
return acronym;
}
private String generateAcronym(String phrase){
final Pattern BREAK_WORDS = Pattern.compile("[A-Z]+[a-z]*|[a-z]+");
final Matcher matcher = BREAK_WORDS.matcher(phrase);
final StringBuilder b = new StringBuilder();
while (matcher.find()){
b.append(matcher.group().charAt(0));
}
return b.toString().toUpperCase();
}
}