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 13612

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 5737

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 45305

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

HSBC,

1 4657

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

2015

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

3 7681

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

2624

Child cObj = new Parent() Wahts the output ?

Patni, TCS,

8 19622

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

NIIT, SRA,

2545

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,

2617

write a program to find 2^n+1 ?

CTS,

2076

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

2389

what is the difference between ERROR and EXCEPTION?

NIIT, nvidia,

14 36825

what is pointers

Exilant,

7 10328

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

3 7097

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Un-Answered Questions { OOPS }

What is solid in oops?

1136

What does enum stand for?

1128

Explain the concepts involved in Object Oriented programming.

1250

IS IT NECESSARY TO INITIALIZE VARIABLE? WHAT IF THE INSTANCE VARIABLE IS DECLARED final ? IS IT NECESSARY TO INITIALIZE THE final VARIABLE AT THE TIME OF THEIR DECLARATION?

2075

What is difference between inheritance and polymorphism?

1034

What is class and object with example?

1141

What is oops and its features?

1089

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

1140

How do you achieve runtime polymorphism?

1057

What is polymorphism what is it for and how is it used?

1023

What is the real life example of polymorphism?

1178

What is basic concept of oop?

1174

What is the point of oop?

1193

Get me an image implementation program.

1993

Whats oop mean?

1061

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