Java의 유니코드 문자열에서 분음 부호를 제거하는 방법은 무엇입니까?

import java.util.regex.Pattern;

public class DiacriticRemover {
    public static final Pattern DIACRITICS_PATTERN = Pattern.compile("[\p{InCombiningDiacriticalMarks}]");

    public static String removeDiacritics(String str) {
        return DIACRITICS_PATTERN.matcher(str).replaceAll("");
    }
}

String withDiacritics = "Björń";
String withoutDiacritics = DiacriticRemover.removeDiacritics(withDiacritics);
System.out.println(withoutDiacritics); // Output: Bjorn

import com.google.common.collect.ImmutableMap;

public class StringSimplifier {
    private static final ImmutableMap<String, String> NONDIACRITICS = ImmutableMap.<String, String>builder()
            // ... (define replacements here)
            .build();

    public static String simplifiedString(String str) {
        return NONDIACRITICS.entrySet().stream()
                .reduce(str, (s, entry) -> s.replaceAll(entry.getKey(), entry.getValue()), String::concat);
    }
}

String withNonDiacritics = "Białystok";
String simplified = StringSimplifier.simplifiedString(withNonDiacritics);
System.out.println(simplified); // Output: Bialystok