多项选择题
Which three code fragments, inserted independently at line 6, will compile?()
A.list.add("foo"); B.Object o = list; C.String s = list.get(0); D.list = new ArrayList<String>(); E.list = new ArrayList<Object>();
多项选择题 Which two, inserted at line 11, will allow the code to compile?()
单项选择题 What is the result?()