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

OOPS Interview Questions

Questions Answers Views Company eMail

define a string class. overload the operator == to compare two strings

Birla, Ericsson, HCL, Infosys, Infotech, MCAS, Satyam,

2 20343

why constructor cannt be declar virtually? why destructor cannt be overloaded?

Infosys,

2 7113

Write a C++ program to conduct an election of a mayor.Declare a class ELECTION With the following specification: Data member: Name 25 character Age Integer symbol 1 character Member functions: To accept data for 20 contestant To accept symbol as voting from 100 voters. To declare the winner and the loser.

Global Academy, Infotech,

1 12568

explain the concepts of oops?

1 4276

what is object oriented programming and procedure oriented programming?

3 9429

what is function over loading?

5 7819

Differences between inline functions and non-inline functions?

Ness Technologies,

4 28785

what is the application of oops?

IBM,

8 48246

What is the difference between C++ and java?

Atos Origin,

6 13442

What is nutshell in programming language?

Satyam, Tech Mahindra,

1 13706

Can java compiler skips any statement during compilation time?

2172

DIFFRENCE BETWEEN STRUCTURED PROGRAMING AND OBJCET ORIENTED PROGRAMING.

5 12971

What does the keyword "static" mean?

TCS,

4 7885

What is the different between Applet and Application?

2 5124

C#.net Interview Question A=10 B=5 C=A+B Print C The above will be given in a multiline textbox. You need to parse the above input, store values for A,B&c. And you have to display the value of C.

Syncfusion,

1 5877

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Un-Answered Questions { OOPS }

What is polymorphism explain its types?

1103

Why do we use class in oops?

916

Why is abstraction used?

1034

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?

1872

What is destructor in oop?

989

What is encapsulation in ict?

997

Can an interface inherit a class?

1016

What is the full form of oops?

1122

class CTest { public: void someMethod() { int nCount = 0; cout << "This is some method --> " << nCount; } }; int main() { CTest *pctest; pctest->someMethod(); return 0; } It will executes the someMethod() and displays the value too. how is it possible with our creating memory for the class . i think iam not creating object for the class. Thanks in Advance... Prakash

2226

What is oops?what is its use in software engineering?

979

#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.

3702

What are oops functions?

965

Please send ford technologies placement paper 2 my mail id

2057

What is coupling in oop?

970

What exactly is polymorphism?

1076

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