Answer / vignesh1988i

C C++
1) C is an structured oriented object oriented lang.
language
2) C use structures where no here it contains classes
function and data's inside where it contains both data's
involved . only outside we as well as member functions
can write functions and
initilization could be done
3) variables should be wherever we wann we can
initilized on the first line initilize the variable
after the main function

Answer / vantees

C
1)Structured programing.
2)In build functions are used to allocate the memory dynamically.
3)Struct members are public by default.
4)Data and functions are separated.

C++
1)Object oriented programing.
2)New ,Delete operators are used to allocate the memory dynamically
3)class members are private by default.
4)Together data and functions into single entity.

Answer / sandeep kumar

C
1)It is structured language
2)It follows Top-down approach
3)large programs are divided into small programs called
functions
4)data move openly from one function to other function

C++
1)It is a Object oriented language
2)It is not compulsory to be top-down procedure
3)large program is divided into small objects
4)data cant be accessed by external functions easily

Answer / tapan pal

C
1)Structured programing.
2)In build functions are used to allocate the memory
dynamically.
3)Struct members are public by default.
4)Data and functions are separated.

C++
1)Object oriented programing.
2)New ,Delete operators are used to allocate the memory
dynamically
3)class members are private by default.
4)Together data and functions into single entity.

#define MAX(x,y) (x) > (y) ? (x) : (y) main() { int i = 10, j = 5, k = 0; k = MAX(i++, ++j); printf("%d %d %d", i,j,k); } what will the values of i , j and k? }

14 Answers   CDAC, GATE, NDS, TCS,

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what would be the output of the follwing struct st { char name[20]; int i; float f; }; main() { struct st emp = {"forum"}; printf("%d %f",emp.i,emp.f); }

4 Answers  

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#include main() { char s[] = "Bouquets and Brickbats"; printf(" %c, ",*(&s[2])); printf("%s, ",s+5); printf(" %s",s); printf(" %c",*(s+2)); }

0 Answers   Wilco,

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What is volatile variable in c?

0 Answers  

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Is null always equal to 0(zero)?

0 Answers  

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Are there namespaces in c?

0 Answers  

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Write a program for finding factorial of a number.

0 Answers   Tech Mahindra,

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How can I write a function analogous to scanf?

0 Answers  

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code for reverse alternate words from astring

1 Answers   IBM,

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write a C program: To search a file any word which starts with ?a?. If the word following this ?a? starts with a vowel.Then replace this ?a? with ?a? with ?an?. redirect with the output onto an output file.The source file and destination file are specified by the user int the command line.

0 Answers   Subex,

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An integer that indentifies the position of a data item in a sequence of data items a) value b) number c) index d) all of the above

0 Answers  

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1. What is the output of printf("%d") 2. What will happen if I say delete this 3. Difference between "C structure" and "C++ structure". 4. Diffrence between a "assignment operator" and a "copy constructor" 5. What is the difference between "overloading" and "overridding"? 6. Explain the need for "Virtual Destructor". 7. Can we have "Virtual Constructors"? 8. What are the different types of polymorphism? 9. What are Virtual Functions? How to implement virtual functions in "C" 10. What are the different types of Storage classes? 11. What is Namespace? 12. What are the types of STL containers?. 13. Difference between "vector" and "array"? 14. How to write a program such that it will delete itself after exectution? 15. Can we generate a C++ source code from the binary file? 16. What are inline functions? 17. Talk sometiming about profiling? 18. How many lines of code you have written for a single program? 19. What is "strstream" ? 20. How to write Multithreaded applications using C++? 21. Explain "passing by value", "passing by pointer" and "passing by reference" 22. Write any small program that will compile in "C" but not in "C++" 23. Have you heard of "mutable" keyword? 24. What is a "RTTI"? 25. Is there something that I can do in C and not in C++? 26. Why preincrement operator is faster than postincrement? 27. What is the difference between "calloc" and "malloc"? 28. What will happen if I allocate memory using "new" and free it using "free" or allocate sing "calloc" and free it using "delete"? 29. What is Memory Alignment? 30. Explain working of printf. 31. Difference between "printf" and "sprintf". 32. What is "map" in STL? 33. When shall I use Multiple Inheritance? 34. What are the techniques you use for debugging? 35. How to reduce a final size of executable? 36. Give 2 examples of a code optimization.

2 Answers  

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