// Simple client program that does String manipulation
public class StringClient {
    public static void main(String[] args) {
        System.out.println(dashes("hello"));
    }
    
    // pre: word is not null and not empty
    // post: returns a string with dashes in between all the characters of word
    public static String dashes(String word) {
        String result = "" + word.charAt(0);
        for (int i = 1; i < word.length(); i++) {
            result += "-" + word.charAt(i);
        }
        return result;
    }
}