What is persistence in oop?
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What is interface? When and where is it used?
What is the types of inheritance?
What is encapsulation with real life example?
write a c++ code of diagonal matrix.
Difference between realloc() and free?
What is difference between inheritance and polymorphism?
What is an interface in oop?
Can you inherit a private class?
1.explicit call for destructor 2.calling function inside a constructor. 3.base *b-new derived delete b; 4.delete p what it will delete. 5.size of base class and derived class int i,in base class and int j in derived. 6.int i-20 int main() { int i =5; printf("%d".::i); { int i =10; printf("%d".::i); } } 7.object slicing 8.new 9.function overloading(return type). 10.class base() { virtuval fun() { ----- } } class derivied:public base() { fun() { ----- } } int main() { derived d; } 11.how static function will call in C++? 12.default structures are in C++? 13.constructors should be in public . 14.virtuval constructor not exist. 15.multilevel inhritence. destructor order.
What is the outcome of the line of code "cout<<abs(- 16.5);"? 1) 16 2) 17 3) 16.5
what is the need of abstraction? what is abstraction?what is the abstraction for stack?
How to use CMutex, CSemaphore in VC++ MFC