Question 117 of 130 from exam 1Z0-809: Java SE 8 Programmer II

Question 117 of 130 from exam 1Z0-809: Java SE 8 Programmer II

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Question

Given the code fragment:

ProductCode<Number, Integer> cl = new ProductCode<Number, Integer>()# /* cl instantiation */ ProductCode<Number, String> c2 = new ProductCode<Number, String>(); /* c2 instantiation */

You have been asked to define the ProductCode class.

The definition of the ProductCode class must allow c1 instantiation to succeed and cause a compilation error on c2 instantiation.

Which definition of ProductCode meets the requirement? A.

class ProductCode<T, S<Integer>> gel; Bick;

B.

class ProductCode<T, S extends T> Tel; 8.¢2;

C.

class ProductCode<T, S> { Tcl 8 c2;

D.

class ProductCode<T, S super T> { Tel 8 c2;

Explanations

B.

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