what is data Abstraction

2 Answers  

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1)#include <iostream.h> int main() { int *a, *savea, i; savea = a = (int *) malloc(4 * sizeof(int)); for (i=0; i<4; i++) *a++ = 10 * i; for (i=0; i<4; i++) { printf("%d\n", *savea); savea += sizeof(int); } return 0; } 2)#include <iostream.h> int main() { int *a, *savea, i; savea = a = (int *) malloc(4 * sizeof(int)); for (i=0; i<4; i++) *a++ = 10 * i; for (i=0; i<4; i++) { printf("%d\n", *savea); savea ++; } return 0; } The output of this two programs will be different why?

5 Answers  

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what do you mean by volatile variable?

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List out some of the object-oriented methodologies?

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Name four predefined macros.

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Why is that unsafe to deal locate the memory using free( ) if it has been allocated using new?

0 Answers  

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Do we have private destructors?

12 Answers   Symphony, TCS,

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what is a class? Explain with an example.

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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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Write about the members that a derived class can add?

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What are pointers, when declared, intialized to a) NULL b) Newly allocated memory c) Nothing. Its random

0 Answers  

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What are the various storage classes in C++?

0 Answers   Fidelity,

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