Answer Posted / mittal

c++ is Object Oriented language.... it means in c++ we can
bind data and function together, to access that we need
Object.... Object is basically just Vehicle to take our
goods like our variable and data ....it basically makes like
thats way that it is totally based on Object thats why its
called OBJECT ORIENTED Lan...

They started with the brief introduction followed by few basic C++ questions on polumorphism, inheritance and then virtual functions. What is polymorphims? How you will access polymorphic functions in C? How virtual function mechanism works?

1403

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Where You Can Use Interface in your Project

1420

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Why do pointers exist?

655

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What is the difference between abstraction and polymorphism?

606

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What are the two different types of polymorphism?

666

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#include #include #include #include void insert(struct btreenode **, int); void inorder(struct btreenode *); struct btreenode { struct btreenode *leftchild; struct btreenode *rightchild; int data; }; main() { struct btreenode *bt; bt=(struct btreenode *)NULL; int req,i=1,num; clrscr(); printf("Enter number of nodes"); scanf("%d",&req); while(i<=req) { printf("Enter element"); scanf("%d",&num); insert(&bt,num); i++; } inorder(bt); } void insert(struct btreenode **sr, int num) { if(*sr==NULL) { *sr=(struct btreenode *)malloc (sizeof(struct btreenode)); (*sr)->leftchild=(struct btreenode *)NULL; (*sr)->rightchild=(struct btreenode *)NULL; (*sr)->data=num; return; } else { if(num < (*sr)->data) insert(&(*sr)->leftchild,num); else insert(&(*sr)->rightchild,num); } return; } void inorder(struct btreenode *sr) { if(sr!=(struct btreenode *)NULL) { inorder(sr->leftchild); printf("\n %d",sr->data); inorder(sr->rightchild); } else return; } please Modify the given program and add two methods for post order and pre order traversals.

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What is difference between oop and pop?

609

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What is inheritance in simple words?

621

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What are the 3 principles of oop?

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design a c++ class for the chess board,provide a c++ class definition for such class(only class definition is required)

6136

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Can main method override?

580

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Why is oop better than procedural?

600

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Why we use classes in oop?

573

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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’.

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State what is encapsulation and friend function?

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