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Placement Questions & Answers :: SAP Labs

1. Inheritance is the principle that

Answer: knowledge of a genral category can be applied to more specific objects

Explanation:

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2. What is the syntax of inheritance of class?

Answer: class name : access specifer class name

Explanation:

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3. What is meant by containership?

Answer: class contains objects of other class types as its members

Explanation:

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4. class derived: public base1, public base2 { } is an example of

Answer: Multilevel inheritance

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5. What is the difference between public and private inheritance?

Answer: Under public inheritance, public and protected members of the base class have their same status in the derived class

Explanation:

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6. Syntax for Pure Virtual Function is ______________ .

Answer: virtual void show()=0

Explanation:

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7. A virtual function that has no definition within the base class is called____________.

Answer: Pure virtual function

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8. Which is called on allocating the memory for array of objects?

Answer: constructor

Explanation:

When you allocate memory for an array of objects, the default constructor must be called to construct each object. If no default constructor exists, you are stuck needing a list of pointers to objects.

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9. Can a class have virtual destructor?

Answer: Yes

Explanation:

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10. If the copy constructor receives its arguments by value, the copy constructor would

Answer: call itself recursively

Explanation:

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