What are the various operations performed on stack?

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How would you differentiate between a pre and post increment operators while overloading?

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Difference between overloading vs. Overriding

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Can you be able to identify between straight- through and cross- over cable wiring? And in what case do you use straight- through and cross-over?

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Is c++ vector a linked list?

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Define a nested class. Explain how it can be useful.

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When we use Abstract Class and when we use Interface?where we will implement in real time?

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class Alpha { public: char data[10000]; Alpha(); ~Alpha(); }; class Beta { public: Beta() { n = 0; } void FillData(Alpha a); private: int n; }; How do you make the above sample code more efficient? a) If possible, make the constructor for Beta private to reduce the overhead of public constructors. b) Change the return type in FillData to int to negate the implicit return conversion from "int" to "void". c) Make the destructor for Alpha virtual. d) Make the constructor for Alpha virtual. e) Pass a const reference to Alpha in FillData

2 Answers   Quark,

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how many rounds and wt type of questios ask in the written test for first round 2. tech. round 3. and futher rounds

0 Answers   Thought Works,

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Why are arrays usually processed with for loop?

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an operation between an integer and real always yeilds a) integer result b) real result c) float result

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What is design pattern?

2 Answers   Samsung,

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