Reverse Word

class Main {
    public static String reverse(String str) {
        char c[] = str.toCharArray();
        for(int i=0; i<c.length/2; i++) {
            char t = c[i];
            c[i] = c[c.length-i-1];
            c[c.length-1-i] = t;
        }
        return String.valueOf(c);
    }
    public static void main(String[] args) {
        String str = "word";
        
    }
}