WILL I GET A guaranteed JOB AFTER DOING bsc()IT) and GNIIT from an NIIT CENTRE??

21 Answers   Biocon, MIT, NIIT,

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What are oops methods?

0 Answers  

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What is the concept of object oriented program?

6 Answers  

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What are the types of abstraction?

0 Answers  

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Get me an image implementation program.

0 Answers  

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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

0 Answers  

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The expansion of GNU

3 Answers  

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what is the difference between a package and a software?

3 Answers  

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What is the difference between the C & C++?

9 Answers   HCL,

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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 Answers  

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What are the benefits of polymorphism?

0 Answers  

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What is the difference between encapsulation and polymorphism?

0 Answers  

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