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

OOPS Interview Questions

Questions Answers Views Company eMail

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?

2066

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?

2204

who is the father of OPPS

Infosys, TCS,

4 10457

create a class complex having real and imaginary part of a complex no. as a data member. overload the binary operators(+,- and *) to perform the operations on complex no. objects. overload binary operator using friend function.

CTS, Delhi University,

2 5756

what is cast operator?

Microsoft,

2 5909

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

TCS,

2159

why reinterpret cast is considered dangerous?

TCS,

2391

What are callback functions in c++

SoftTech,

1 4374

How to reverse a sentence in c program ex: ram is a good boy answer: boy good a is ram

IBM,

3296

what is namespace? what are the uses of namespace?

1 4106

what is opps?why it is use in programming language?

Wipro,

2 6161

what is difference between String s=new String("vali"); String s="vali"

1 4007

what is Class in oops with example?

HCL,

4 7200

which feature are not hold visual basic of oop?

Ignou,

2190

why in java first invoke public static void main(String args[]) method????Why not public static void method1(String args[])??

1 3268

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Un-Answered Questions { OOPS }

What is polymorphism what are the different types of polymorphism?

1012

Is data hiding and abstraction same?

1020

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

2193

What is the highest level of cohesion?

1045

What is abstraction encapsulation?

1113

How do you define a class in oop?

1119

What type of loop is a for loop?

1089

What is the real life example of polymorphism?

1164

What is basic concept of oop?

1164

Templates mean

2079

What is abstraction example?

1095

What is ambiguity in inheritance?

1111

What is polymorphism oop?

1055

Please send ford technologies placement paper 2 my mail id

2098

How to handle exception in c++, For example in a functions i am assigning memory to some variables and also in next instructions in am dividing one variable also. If this functions generates a error while allocating memory to those variable and also while dividing the variable if i divide by zero then catch block how it will identify that this error has cone from perticular instruction

2136

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