class A { A（） { } } class B extends A { } Which two statements are true？（）

A . Class B’s constructor is public. B . Class B’s constructor has no arguments. C . Class B’s constructor includes a call to this（）. D . Class B’s constructor includes a call to super（）.

时间：2022-10-17 23:57:41 所属题库：SCJP程序员认证考试题库

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