public class Main {
    public static void main(String[] args) {
        String fies = "gg̈g";
        System.out.println("reverse " + fies + " => " + new StringBuilder(fies).reverse().toString());
        System.out.println("Länge: " + fies.length());
        System.out.println("Splitten: " + fies.substring(0,2) + "x" + fies.substring(2,4));
    }
}