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Graded Discussion Board Announced Dated: Jan 31, 17

Dear students,

The activity of Graded Discussion Board (GDB) will be conducted on February 07, 2017. Students will be able to post their comments for 48 hours only.


GDB Topic:

The main purpose of inheritance is reuse of code. Multiple-inheritance is more productive in terms of reuse of code than single inheritance. But all of this comes with a cost. Suppose we have a class Person which is inherited by Teacher and Student. Both Teacher and Student are further inherited by Teacher Assistant thus resulting in multiple-inheritance.

Click here for class diagram

Would you select multiple-inheritance in your code along with its intrinsic cost or do the other ways? Justify with solid reasons in either case.


Try to provide precise and to the point comments avoiding irrelevant details.

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Please Discuss here about this GDB.Thanks

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Plese share here your idea soultion i can't understand it

 

bro tell which lecture is helpful in solving gdb?

Watch lecture No:31 read handouts

Lecture NO:31

Multiple Inheritance

The derived class inherits data members and functions from all the base classes Object of derived class can perform all the tasks that an object of base class can perform.

Problems in Multiple Inheritance

• If more than one base class have a function with same signature then the child will have two copies of that function.

• Calling such function will result in ambiguity.

Solution of this Problem

Virtual Inheritance:

The solution to avoid this problem is virtual inheritance so that in multiple inheritance only one copy of base class is generated as shown below instead of two separate copies.In virtual inheritance there is exactly one copy of the anonymous base class object.

brother bandle of thanks for help

 

Muhammad USMAN  thanks for sharing 

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