class student{ int marks; };class topper:public student{ int age; topper(int age){ this.age=age; } };B. Inheritance
In the given code:
The line:
class topper : public student
shows that topper is inheriting from student.
This clearly indicates the OOP feature Inheritance.
There is:
❌ No method overriding → so no Polymorphism
❌ No special data hiding logic shown → so not specifically Encapsulation
In C++, inheritance is written using : followed by the access specifier and base class.
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BPSC Tre 4.0 OOPS Concepts Practice Set