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OOPS Interview Questions
Questions Answers Views Company eMail

Explain polymorphism? What r the types of polymorphism? pls give examples?

HCL,

4 14258

swapping program does not use third variable

TCS,

5 6164

how to find no of instances of an object in .NET?

Infosys,

1 4290

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

IBM, NET,

3 23731

Please tell me the oops concept with detailed answer

EEE,

9 14108

how to swap to variables without using thrid variable in java?

5 5613

what is the usage of clas templates

5 5250

Tell me the scenario,Where we can use interfaces or Abstract class.And What is the difference between interfaces and abstract class?

5 17555

i had specified the access specifier for abstarct class member like (pure virtual function) as private.But it can be accessed by the derived class.How the private member of one class is accessed by other class.if any body face this problem and found the solution plz reply to me.

Syntel,

1 3651

can you explain how to use JavaBean in Project

Infosys, Satyam,

3 4766

write a code for this. serial_number contained in the header of the file will be read , if this serial number is less than a previous serial number within a successfully processed file, or is the same as another serial number within a successfully processed file, or if the field contains anything other than 7 digits, then the file must error with the reason ‘Invalid SERIAL_NUMBER’.

Microsoft, TCS,

1596

write a code for this:trailer recordId contains a value other than 99, then the file must error with the reason ‘Invalid RECORD_ID’(User Defined Exception).

1486

sir i want to know which posting to apply since i am BE CSE.. also want to know what are the rounds there for my interview...Expecting for ur valuable answer....

2 3038

what is virtual destructor

L&T, TCS,

7 9733

Base class has two public data members. How can i derive a new class with one datamember as public and another data member as private?.

2 4712


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Un-Answered Questions { OOPS }

What is static in oop?

432


State what is encapsulation and friend function?

494


What is oops and its features?

419


Why is oop better than procedural?

442


What does and I oop and sksksk mean?

460






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(); }

1843


What are the two different types of polymorphism?

500


What are classes oop?

439


What is static modifier?

470


can inline function declare in private part of class?

3385


What is encapsulation selenium?

413


What is encapsulation with example?

415


what is difference between class template and template class?

2013


Is enum a class?

444


What are different types of JVM's? for example we use dalvik jvm for android then what about the remaining operating systems?

1488