多项选择题
Given a pre-generics implementation of a method: What three changes allow the class to be used with generics and avoid an unchecked warning?()
A.Remove line 14. B.Replace line 14 with "int i = iter.next();". C.Replace line 13 with "for (int i : intList) {". D.Replace line 13 with "for (Iterator iter : intList) {". E.Replace the method declaration with "sum(List intList)".
单项选择题 Given: Which method will complete this class?()
多项选择题 WhichtwostatementsaretrueaboutthehashCodemethod?()
单项选择题 Given: Which statement is true?()