Annotation : SuppressWarning

public class SuppressWarningCheck {

    @SuppressWarnings("unchecked")
    public static void main(String[] args)
    {
        ArrayList al1 = new ArrayList();
        al1.add(1);
        al1.add(2);
        al1.add(3);
        al1.add(4);
        al1.add(5);

        System.out.println(al1);
    }
}