Answer Posted / mohan

By default the members of struct are public.
By default the members of class are priavte.

When an object is created to a class, constructor will be
called automatically.
But not in struct (if structure having member function with
structure name)

Why is polymorphism used?

1089

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What is polymorphism give a real life example?

1079

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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.

2054

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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.

3830

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What is inheritance in oop?

1091

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What are the two different types of polymorphism?

1197

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Plese get me a perfect C++ program for railway/airway reservation with all details.

3956

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What is the difference between a constructor and a destructor?

1345

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Why is encapsulation used?

1056

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Which is not an object oriented programming language?

1045

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What is the use of oops?

1115

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How do you use inheritance in unity?

1127

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What is object in oop?

1170

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What is the importance of oop?

1146

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Who invented oop?

1193

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