How to add an integer element to ArrayList of wildcards in Generics?

Question

I have a ArrayList generic wildcards type, which is taking Number as extends. I am trying to add the integer values to the ArrayList.

Buts it\'s giving me an error

Answer 1

you can use;

 ArrayList  numberList = new ArrayList();
 Number number = 1;
 numberList.add(number);

 or

 numberList.add(1);