题目内容

下面关于接口的实现说法正确的是( )。

A. 接口不能用new运算符直接产生对象。
B. 接口必须利用其特性设计新的类,再用新类来创建对象。
C. 利用接口设计类的过程,称为接口的实现。
D. 以上都对

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更多问题

Java允许一个类可以实现( )个接口。

A. 0
B. 1
C. 2
D. 多

The author has taken just two vacation trips in the past 35 years. ( )

A. 对
B. 错

One of his main sources of enjoyment is to talk with many actor friends. ( )

A. 对
B. 错

The author feels quite natural about not being focused on material goods. ( )

A. 对
B. 错

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