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?

2075

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?

2213

who is the father of OPPS

Infosys, TCS,

4 10498

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 5771

what is cast operator?

Microsoft,

2 5931

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

TCS,

2165

why reinterpret cast is considered dangerous?

TCS,

2397

What are callback functions in c++

SoftTech,

1 4380

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

IBM,

3319

what is namespace? what are the uses of namespace?

1 4114

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

Wipro,

2 6177

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

1 4014

what is Class in oops with example?

HCL,

4 7229

which feature are not hold visual basic of oop?

Ignou,

2196

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

1 3278

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Un-Answered Questions { OOPS }

What is coupling in oop?

1040

what's the basic's in dot net

2192

How Do you Code Composition and Aggregation in C++ ?

25488

Which is better struts or spring?

1063

What are the advantages of polymorphism?

1036

What is purpose of inheritance?

1114

What is persistence in oop?

1152

What is the difference between static polymorphism and dynamic polymorphism?

1095

What is advantage of inheritance?

1177

why reinterpret cast is considered dangerous?

2397

What is polymorphism and its types?

1071

What is abstraction in oops?

1050

What is overriding vs overloading?

1070

What is the point of oop?

1192

What is abstraction with example?

1118

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