問題詳情
210
What is the appropriate definition of the hashCode method in class Person?
(A) return super.hashCode();
(B) return name.hashCode() + age * 7;
(C) return name.hashCode() + comment.hashCode() / 2;
(D) return name.hashCode() + comment.hashCode() / 2- age * 3;
What is the appropriate definition of the hashCode method in class Person?
(A) return super.hashCode();
(B) return name.hashCode() + age * 7;
(C) return name.hashCode() + comment.hashCode() / 2;
(D) return name.hashCode() + comment.hashCode() / 2- age * 3;