What is Difference Between Inheritance and creating object
and getting data? means
Class A extends B{
B.getMethod();}
(OR)
Class A{
b obj=new B();
obj.getMethod();
}
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What is overriding in oop?
Why is polymorphism important in oop?
What is polymorphism? Explain with an example.
What is the difference between a constructor and a destructor?
What is the renewal class?
what is an instance of a class
What is coupling in oop?
What do we mean by a hidden argument in C++?
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 byval and byref? What are differences between them?
How long to learn object oriented programming?
In the following declaration of main, "int main(int argc, char *argv[])", to what does argv[0] usually correspond? 1) The first argument passed into the program 2) The program name 3) You can't define main like that