[android help] How to generate random number with out duplicates using JSON array in android

How to generate random number with out duplicates using JSON array in android

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I am new to android. I am doing quize app.I have one JSON array text file.how to generate random number with out repetation using JSON array in android..please help me Thank you adv.. this is my sample code public static JSONArray getQuesList()throws JSONException{ Random rnd = new Random(); for (int i = quesList.length() - 1; i >= 0; i--) { int j = rnd.nextInt(i + 1); // Simple swap Object object = quesList.get(j); quesList.put(j, quesList.get(i)); quesList.put(i, object); } return quesList; } asked 3 mins ago

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