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?

2114

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?

2258

who is the father of OPPS

Infosys, TCS,

4 10633

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 5869

what is cast operator?

Microsoft,

2 6030

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

TCS,

2224

why reinterpret cast is considered dangerous?

TCS,

2455

What are callback functions in c++

SoftTech,

1 4445

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

IBM,

3370

what is namespace? what are the uses of namespace?

1 4189

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

Wipro,

2 6261

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

1 4100

what is Class in oops with example?

HCL,

4 7396

which feature are not hold visual basic of oop?

Ignou,

2241

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

1 3349

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Un-Answered Questions { OOPS }

What makes a language oop?

1136

What polymorphism means?

1137

What is use of overloading?

1190

What is variable example?

1094

what type of questions

2179

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

2185

What is overriding vs overloading?

1115

What does sksksk mean in text slang?

2183

Why do while loop is used?

1103

Can we have inheritance without polymorphism?

1082

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

1064

What is advantage of inheritance?

1233

What is encapsulation in oops?

1074

Is this job good for future? can do this job post grduate student?

2228

Is abstract thinking intelligence?

1112

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