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

OOPS Interview Questions

Questions Answers Views Company eMail

20% of a 6 litre solution and 60% of 4 litre solution are mixed what the % of mixture of solution it is resulted into?

IonIdea,

5 13393

in the following, A D B G E C F Each of the seven digits from 0,1,2,3,4,5,6,7,8,9 is: a)Represented by a different letter in abov fig: b)Positioned in the fig abov so tht A*B*C,B*G*E,D*E*F are equal. wch does g represents? C

IonIdea,

1 5631

monkey starts climbing up a tree 20ft tall,each hour ,it hops 3ft and slips back by 2ft .how much time it wil tak to reach top of the tree?

IonIdea,

13 44815

design class for linked list and include constructor,destructor,insert option. struct node { int node; struct node &ptr; }

HSBC,

1 4490

design class for linked list and include constructor,destructor,insert option. node of form struct node { int data; struct node &ptr; }

1969

What are the valid types of data that the main () can return in C/C++ language

3 7503

Write a java applet that computes and displays the squares of values between 25 and 1 inclusive and displays them in a TextArea box

2552

Child cObj = new Parent() Wahts the output ?

Patni, TCS,

8 19288

What is Difeerence between List obj=new ArrayList(); and ArrayList obj=new ArrayList()?

NIIT, SRA,

2484

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(); }

SRA,

2497

write a program to find 2^n+1 ?

CTS,

2019

write a program to find 2 power of a 5digit number with out using big int and exponent ?

2326

what is the difference between ERROR and EXCEPTION?

NIIT, nvidia,

14 36209

what is pointers

Exilant,

7 9988

what is the main difference between sizeof() operator in c and c++

3 6935

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Un-Answered Questions { OOPS }

What is encapsulation and abstraction? How are they implemented in C++?

1073

INSTANCE FIELDS DECLARED private ARE ACCESSIBLE BY THE METHODS ONLY.CAN WE CHANGE THE private FIELD OF AN OBJECT IN A METHOD OF SOME OTHER OBJECT OF THE SAME CLASS?

2150

What is overriding vs overloading?

1010

write string class as your own class in java without using any built-in function

2445

What is constructor in oop?

1021

Can we have inheritance without polymorphism?

975

i got a backdoor offer in process global,Bangalore..Can i work with it?

2793

What is the fundamental idea of oop?

1085

Write a program to sort the number with different sorts in one program ??

2326

What is object and class in oops?

1009

What is polymorphism explain its types?

1103

What are different oops concepts?

1004

program for insertion ,deletion,sorting in double link list

2641

Will I be able to get a picture in D drive to the c++ program? If so, help me out?

2143

What is oops with example?

999

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