JAVA随机生成数组（不重复）

JAVA随机生成数组（不重复）

将一组数组顺序打乱，基于java.Vector容器。

   
    public static Vector getRandomRes(Vector source,int size){
        Vector result = new Vector();
        Random random = new Random();
        for (int i = 0; i < size - 1; i++) {
            int randomIndex = random.nextInt(source.size() - i);
            int randomRes = source.elementAt(randomIndex);
            result.add(randomRes);
            int temp = source.elementAt(randomIndex);
            source.set(randomIndex, source.elementAt(source.size() - 1 - i));
            source.set(source.size() - 1 - i, temp);
        }
        result.add(source.elementAt(0));
        return result;
    }