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Categories >> Software >> Programming Languages >> C++ >> OOPS


 STL interview questions  STL Interview Questions (91)
 OOPS interview questions  OOPS Interview Questions (558)
 C++ General interview questions  C++ General Interview Questions (458)
is there any choice in opting subjects like 4 out of 7

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Other OOPS Interview Questions
  Question Asked @ Answers
write a program which best describes polymorphism in real world? CTS 2
WAP find square root of any number (without using sqrt() )?   3
what is inline function?   3
when my application exe is running nad i don't want to create another exe what should i do HCL 2
what is abstract class ? when is used in real time ? give a exp   5
What is design patterns in C++? Persistent 2
write a c++ code of diagonal matrix.   2
Given two strings like x=?hello? and y=?open?, remove any character from string x which is also used in string y, thus making the result x=?hll?. IBM 13
what is the application of oops?   7
Explain the concept of abstracion and encapsulation with one example. What is the difference between them? PCS 3
why to use template classes in c++?   1
what is the abstract class,interface ,its difference with a programatic eg.? hi,recently i went for an interview they ask me what is abstract class ,interface and its difference I said abstract class contain abstact method ,abstract method is a method with no body.Abstract class cannot be instantiated.Abstract class is a base class it required derived class for the implementation of method. Interface is a syntactical contract that all derived class should follow it define properties ,method,events which are known as member of interface. Then They asked me what is the difference between them. I said abstract class interface 1.abstact class can implement method 1.interface cant 2.abstact class can contain constructor, 2.interface cant destructor 3.abstract class cannot support multiple 3.interface support inheritance etc Then they said some different answer I said dont no. Then they ask me when i should make abstract class for an project and when i should make interface. I said if suppose there is two class which must be having method with different logic then we sholud make abstract class. and if suppose we have two class having method .with different logic then we can make interface . Am i correct with my explaination.if not correct me .please provide me that when should we create abstract class and interface and what is difference .please help me   1
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