random words

/**
     * Function Name: randomWord
     * 
     * @return String words[index];
     * 
     * Inside the Function
     *    1. numWord variables contains words length
     *    2. Math.random method to get a random numbers
     *    3. multiply both to get random index
     */
    public static String randomWord(){
        int numWords = words.length;
        double randomWord = Math.random();
        int randomIndex = (int)(randomWord *numWords);
        return words[randomIndex];
    }