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Engineering
Computer Science Civil Engineering Chemical Engineering Agricultural Engineering Mechanical Engineering Electronics and Communication
Objects and Classes - General Questions :: Discussion
| 5. | How can we make a class abstract? | |
| A. | By making all member functions constant. | |
| B. | By making at least one member function as pure virtual function. | |
| C. | By declaring it abstract using the static keyword. | |
| D. | By declaring it abstract using the virtual keyword. | |
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