Answer Posted / neha

classes and objects are seprate but related concept.every
object belong to a class and every class contains one or
more objects.

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(); }

1995

---

What is polymorphism give a real life example?

570

---

Can enum be null?

592

---

What is polymorphism oop?

631

---

What is an advantage of polymorphism?

603

---

---

What is the difference between a mixin and inheritance?

527

---

Can static class have constructor?

591

---

Why is oop useful?

608

---

What are the important components of cohesion?

559

---

Why is abstraction needed?

575

---

What are two types of polymorphism?

620

---

What is encapsulation in simple terms?

545

---

write a C++ program for booking using constructor and destructor.

2057

---

Can main method override?

591

---

#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.

3263

---