Switch for and foreach

Question

I need to change my for loop to foreach loop in this method, how can i do that? ( Can add full class, if necessary)

public String decode(String input) {
    String[] letters = input.split(" ");
    StringBuilder ret = new StringBuilder();

    for(int i=0; i<letters.length; i++)
        ret.append(decodeMap.get(letters[i]));
    return ret.toString();
}

Answer 1

You should specify which language you are using. I'm assuming java. Use for(datatype var : collection). Here is what it would look like

public String decode(String input) {
    String[] letters = input.split(" ");
    StringBuilder ret = new StringBuilder();
    for(String s : letters){
                ret.append(decodeMap.get(s));
    }
    return ret.toString();
}