hi maneesh as you have given the link to refer only genrics regarding topics are there. but thet have not given any wild card please send me the link regarding wild card
If you want to learn about wild cards read this link. It will clear your doubt.
Note that <?> and <? extends Object> behaves similarly in nearly all scenarios. Also note that the add method of list is not compatible with these two.
hi maneesh as you have given the link to refer only genrics regarding topics are there. but thet have not given any wild card please send me the link regarding wild card
If you had bothered to scroll down to the end of the page you would have found the link to the Generics tutorial which does contain information regarding wild cards.