Module: AP 计算机科学第二部分 2014

class WordScrambler {
    private String[] scrambledWords;

    /**
     * @param wordArr an array of String objects
     *                Precondition: wordArr.length is even
     */
    public WordScrambler(String[] wordArr) {
        scrambledWords = mixedWords(wordArr);
    }

    /**
     * @param word1 a String of characters
     * @param word2 a String of characters
     * @return a String that contains the first half of word1 and the second half of word2
     */
    private String recombine(String word1, String word2) {  

}

    /**
     * @param words an array of String objects
     *              Precondition: words.length is even
     * @return an array of String objects created by recombining pairs of strings in array words
     * Postcondition: the length of the returned array is words.length
     */
    private String[] mixedWords(String[] words) {  

}  

}