import java.text.Collator; import java.util.Locale; public class Main { public static void main(String args[]) { String s1 = "é"; String s2 = "f"; Collator frCollator = Collator.getInstance(Locale.FRANCE); frCollator.setStrength(Collator.CANONICAL_DECOMPOSITION); if (frCollator.compare(s1, s2) < 0) { System.out.println("s1 < s2"); } } } //s1 < s2