下列适合作本文标题的是()。

A．Collections 是集合顶层接口

B．Collection 是针对 Collections 集合操作的工具类

C．List、Set、Map都继承自Collection接口

D．Collections 是针对 Collection 集合操作的工具类

A．Collections是个java.util包下的接口

B．Collection是java.util包下的类

C．Collections包含有各种有关集合操作的静态方法

D．Collection是各种集合结构的父接口

(9)

A．In dealing with collections, banks will do nothing to follow the collection order.

B．Banks will do something in dealing with the collection order.

C．Banks should strictly follow the instructions in the collection order.

D．In dealing with collections, the bank is usually useless.