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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 13193

swapping program does not use third variable

TCS,

5 5493

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

Infosys,

1 3767

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

IBM, NET,

3 22998

Please tell me the oops concept with detailed answer

EEE,

9 12704

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

5 4609

what is the usage of clas templates

5 4506

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

5 16690

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 3129

can you explain how to use JavaBean in Project

Infosys, Satyam,

3 4100

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,

1320

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).

1220

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 2613

what is virtual destructor

L&T, TCS,

7 8567

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 4228


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Un-Answered Questions { OOPS }

what are the different types of qualifier in java?

1313


design a c++ class for the chess board,provide a c++ class definition for such class(only class definition is required)

5582


Why do we use encapsulation in oops?

157


What is class and object in oops?

166


What does and I oop and sksksk mean?

154






What are the 4 main oop principles?

156


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

1432


How does polymorphism work?

168


What does oop mean in snapchat?

174


Can you inherit a private class?

168


Objective The objective of this problem is to test the understanding of Object-Oriented Programming (OOP) concepts, in particular, on encapsulation. Problem Description Create a program for managing customer’s bank accounts. A bank customer can do the following operations: 1. Create a new bank account with an initial balance. 2. Deposit money into his/her account. 3. Withdraw money from his/her account. For this operation, you need to output “Transaction successful” if the intended amount of money can be withdrawn, otherwise output “Transaction unsuccessful” and no money will be withdrawn from his/her account. Input The input contains several operations and is terminated by “0”. The operations will be “Create name amount”, “Deposit name amount”, or “Withdraw name amount”, where name is the customer’s name and amount is an integer indicating the amount of money. There will be at most 100 bank accounts and they are all created on the first month when the bank is opening. You may assume that all account holders have unique names and the names consist of only a single word. Output The output contains the transaction result of withdrawal operations and the final balance of all customers after some withdrawal and deposit operations (same order as the input). Sample Input Create Billy 2500 Create Charlie 1000 Create John 100 Withdraw Charlie 500 Deposit John 899 Withdraw Charlie 1000 0

1294


Whats is abstraction in oops?

162


What is static in oop?

166


What is abstraction in oops?

157


Why is oop useful?

170