publicvoidaddStrings(Listlist){12.list.add(”foo”);13.list.add(”bar”);14.}Whatmustyouchangeinthismethodtocompilewithoutwarnings?()
A.addthiscodeafterline11:list=(List<string>)list;
B.changelines12and13to:list.add<string>(”foo”);list.add<string>(”bar”);
C.changethemethodsignatureonline11to:publicvoidaddStrings(List<extendsString>list){
D.changethemethodsignatureonline11to:publicvoidaddStrings(List<superString>list){
E.Nochangesarenecessary.Thismethodcompileswithoutwarnings.</string></string></string>
时间:2023-09-10 13:49:03