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There are two base class B1,B2 and there is one class D which is derived from both classes, Explain the flow of calling constructors and destructors when an object of derived class is instantiated.
IS IT NECESSARY TO INITIALIZE VARIABLE? WHAT IF THE INSTANCE VARIABLE IS DECLARED final ? IS IT NECESSARY TO INITIALIZE THE final VARIABLE AT THE TIME OF THEIR DECLARATION?
What is an interface in oop?
What is polymorphism explain its types?
What is coupling in oops?
write a code for this. serial_number contained in the header of the file will be read , if this serial number is less than a previous serial number within a successfully processed file, or is the same as another serial number within a successfully processed file, or if the field contains anything other than 7 digits, then the file must error with the reason ‘Invalid SERIAL_NUMBER’.
What is debug class?what is trace class? What differences are between them? With examples.
What is the difference between inheritance and polymorphism?
What is variable example?
Why do we need polymorphism in c#?
What is difference between polymorphism and inheritance?
When not to use object oriented programming?
Why can't we have instance(stack) of a class as a member of the same class like eg.Class A{A obj;} as we can have self refential pointer
What is overloading in oop?
Why is polymorphism important in oop?
