<em>Shift </em>selects multiple worksheets at the same time. <em>Ctrl</em> selects all that you selected with Ctrl pressed.
Answer:
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Multiple inheritance causes Diamond problem which happens when:
Class A is parent of class B and C
Now when class D will be inherited from both Class B and C it will have all the members of class A and B which if same will confuse the compiler to import which one?
C++ solves it by using virtual keyword with them and thus telling the compiler which one to inherit.
Java has introduced the interface concept rather then allowing multiple inheritance.
1.press window key + R
2.type cmd and press enter
3. write "ipconfig /all" without quotes and press enter
4. look for physical address word
that's your Mac address
