問題詳情
191

Which two, inserted at line 11, will allow the code to compile? (Choose two.) 1. public class MinMax<?>{ 2. public class MinMax<? extends Number>{ 3. public class MinMax<N extends Object>{ 4. public class MinMax<N extends Number>{ 5. public class MinMax<? extends Object>{ 6. public class MinMax<N extends Integer>{
(A) 15
(B) 23
(C) 46
(D) 56
參考答案