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来源: 互联网 发布时间:2015-01-17
本文导语: Which of the following statements are true? 1) Interfaces cannot have constructors 2) Interfaces are the Java approach to addressing its lack of multiple inheritance, but require implementing classes to create the functionality of the Interfaces....
Which of the following statements are true?
1) Interfaces cannot have constructors
2) Interfaces are the Java approach to addressing its lack of multiple inheritance, but require implementing classes to create the functionality of the Interfaces.
3) Constructors can be marked public and protected, but not private
4) Constructors are not inherited
烦请指教
1) Interfaces cannot have constructors
2) Interfaces are the Java approach to addressing its lack of multiple inheritance, but require implementing classes to create the functionality of the Interfaces.
3) Constructors can be marked public and protected, but not private
4) Constructors are not inherited
烦请指教
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我想是1,2,4 吧。
原因:只有 3 不对 :),因为构造器是可以为 private 的。其它的为什么对,本身已经讲得很清楚了。
原因:只有 3 不对 :),因为构造器是可以为 private 的。其它的为什么对,本身已经讲得很清楚了。
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