Hi i have doubt regarding list .
I have a List<Operator> type and a List<SQLExpr> type and I want to use them interchangeably like i want to add a List<SQLExpr> element to List<Operator> so i how can i do it ,explicitly casting in not working.So what should i do.
Let me frame my question properly
How to cast List<A> type element into List<B> type element
somebody plz help