package strings; import java.util.Locale; public class StringToLowerCase { public static void main(String[] args) { String s = "I Know YOU BuT You Don't Know ME."; Locale TURKISH = Locale.forLanguageTag("tr"); Locale ENGLISH = Locale.forLanguageTag("en"); String str1 = s.toLowerCase(TURKISH); String str2 = s.toLowerCase(ENGLISH); System.out.println("String LowerCase: "+ str1); System.out.println("String LowerCase: "+ str2); } }