The class MyProg utilizes an object of class ArrayList to st…

The clаss MyPrоg utilizes аn оbject оf clаss ArrayList to store and retrieve data. For the following five statements, how many of them are ok? Click to Show Image Description class MyProg {    public static void main(String[] args) {        ArrayList al = new ArrayList();        al.add(new Integer(3));                  // statement 1        al.add(new Double(3.3));                 // statement 2        Object o = al.elementAt(0);              // statement 3        Integer i = al.elementAt(0);             // statement 4        Integer i2 = (Integer) al.elementAt(0);  // statement 5    }}