How do I shuffle two arrays in same order in java

Question

I've got two arrays of question and answers

String questions[] = {
"Q1?",
"Q2?",
"Q3?"};

String answers[] = {
    "A1?",
    "A2?",
    "A3?"};

I used Collections.shuffle(Arrays.asList(questions); to shuffle each arrays. How do I shuffle each array so that after shuffling they maintain same order?

Answer 1

Creating a class for holding both the question and answer together would be an easier and more OO solution:

class QuestionAnswerPair {
    private final String question;
    private final String answer;

    public QuestionAnswerPair(String question, String answer) {
        this.question = question;
        this.answer = answer;
    }
}

And then:

QuestionAnswerPair[] questions = new QuestionAnswerPair[] {
    // Put questions here
};

Collections.shuffle(Arrays.asList(questions));