class ArrayChar {

    public boolean startWith(String prefix) {
        boolean done = true;
        char[] value = prefix.toCharArray();
        for (int i = 0; i < value.length; i++) {
            if (this.data[i] != value[i]) {
                done = false;
                break;
            }
        }
        return done;
    }

    public  ArrayChar(String line);

}