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多项选择题 Given: Which two, inserted at line 11, will allow the code to compile?（）

A、public class MinMax<?> {

B、public class MinMax<? extends Number> {

C、public class MinMax<N extends Object> {

D、public class MinMax<N extends Number> {

E、public class MinMax<? extends Object> {

F、public class MinMax<N extends Integer> {

  • D,F

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