在子類中訪問父類的Variant變量，這個(gè)是OOP的什么概念？

4006279

you need to access the instance variable "hi" in class "A" from within subclass "A1." Which one of the following concepts allows you to do this?

（翻譯）如上面的類圖,當(dāng)我需要在A1中，訪問A的變量"hi"。下列哪個(gè)概念允許我這么做？
1 Overriding

2 Method resolution 方法解析

3 scope resolution 范圍解析

4 Shared Variables 共享變量

5 Factory patterns 工廠模式

linux_c_py_php

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linux_c_py_php

cout << A::hi << flush;
...
...

linux_c_py_php 發(fā)表于 2012-09-19 17:29
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4006279

linux_c_py_php 發(fā)表于 2012-09-19 17:29
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謝謝。。學(xué)JAVA的看到這個(gè)，不懂