public static void displaySupportedLanguages(PrintStream out,Optional<String> tgtLang){
  Translate translate=createTranslateService();
  LanguageListOption target=LanguageListOption.targetLanguage(tgtLang.orElse("en"));
  List<Language> languages=translate.listSupportedLanguages(target);
  for (  Language language : languages) {
    out.printf("Name: %s, Code: %s\n",language.name(),language.code());
  }
}

public static void displaySupportedLanguages ( PrintStream out , Optional < String > tgtLang ) { Translate translate = createTranslateService ( ) ; LanguageListOption target = LanguageListOption . targetLanguage ( tgtLang . orElse ( "en" ) ) ; List < Language > languages = translate . listSupportedLanguages ( target ) ; for ( Language language : languages ) { out . printf ( "Name: %s, Code: %s\n" , language . name ( ) , language . code ( ) ) ; } }
displays a list of supported languages and codes .
