OOPS Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

OOPS Interview Questions

Questions Answers Views Company eMail

define oops concept with example

Cap Gemini,

1 3406

Can anyone please explain runtime polymorphism with a real time example??at what ciscumstances we go for it??

1 4856

What Is a Polymorphism? How many types of polymorphism and whats that use in application?

2 4664

can inline function declare in private part of class?

1 4406

any one please tell me the purpose of operator overloading

Amazon,

2396

IN PROGRAMING LANGAUGE A C++ IS PURELY OBJECT ORIENTED OR NOT?

2 4834

to find out the minimum of two integer number of two different classes using friend function

2129

officer say me - i am offered to a smoking , then what can you say

2099

write a programe to calculate the simple intrest and compund intrest using by function overlading

2200

#include #include #include #include void insert(char *items, int count); int main(void) { char s[255]; printf("Enter a string:"); gets(s); insert(s, strlen(s)); printf("The sorted string is: %s.\n", s); getch(); return 0; } void insert(char *items, int count) { register int a, b; char t; for(a=1; a < count; ++a) { t = items[a]; for(b=a-1; (b >= 0) && (t < items[b]); b--) items[b+1] = items[b]; items[b+1] = t; } } design an algorithm for Insertion Sort

2617

#include #include #include #include void select(char *items, int count); int main(void) { char s[255]; printf("Enter a string:"); gets(s); select(s, strlen(s)); printf("The sorted string is: %s.\n", s); getch(); return 0; } void select(char *items, int count) { register int a, b, c; int exchange; char t; for(a = 0; a < count-1; ++a) { exchange = 0; c = a; t = items[ a ]; for(b = a + 1; b < count; ++b) { if(items[ b ] < t) { c = b; t = items[ b ]; exchange = 1; } } if(exchange) { items[ c ] = items[ a ]; items[ a ] = t; } } } design an algorithm for Selection Sort

2544

#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.

3757

What is the difference between class and object?

Apple, Heinz,

4 7261

assume the program must insert 4 elements from the key board and then do the following programs.sequential search(search one of the elements),using insertion sort(sort the element) and using selection sort(sort the element).

2111

c++ program to swap the objects of two different classes

2415

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Un-Answered Questions { OOPS }

Why interface is used?

1015

Why is polymorphism used?

1036

What is data binding in oops?

1091

Which is not an object oriented programming language?

983

3757

What are the components of marker interface?

1053

What is the significance of classes in oop?

1147

What is persistence in oop?

1140

What are the types of abstraction?

1072

Why is object oriented programming so hard?

1079

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

2539

what type of questions

2123

when to use 'mutable' keyword and when to use 'const cast' in c++

2159

What is the point of polymorphism?

1033

What is pointer in oop?

1051

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