Which among the following is wrong ........

Computer GK Programming Language

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Which among the following is wrong?

class student{ }; student s;

abstract class student{ }; student s;

abstract class student{ }s[50000000];

abstract class student{ }; class toppers: public student{ }; topper t;

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Explanation:

Answer: b
We can never create instance of an abstract class. Abstract classes doesn’t have constructors and hence when an instance is created there is no facility to initialize its members. Option d is correct because topper class is inheriting the base abstract class student, and hence topper class object can be created easily.

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