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Categories >> Software >> Programming Languages >> C++ >> C++ General


 STL interview questions  STL Interview Questions (93)
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 C++ General interview questions  C++ General Interview Questions (461)
write a program that will produce the ff. output.
"what fruit will you buy?
ENTER CHOICE (1,2 or 3)>
 Question Submitted By :: C++-General
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Prasad Chavare

Other C++ General Interview Questions
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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
Which of the Standard C++ casts can be used to perform a ?safe? downcast: a) reinterpret_cast b) dynamic_cast c) static_cast d) const_cast Quark 2
What is size of a object of following class? class Foo { public: void foo(){} } CA 2
class Foo { int x; public: Foo(int I); }; If a class does not have a copy constructor explicitly defined one will be implicitly defined for it. Referring to the sample code above, which one of the following declarations is the implicitly created copy constructor? a) Foo(Foo *f); b) Foo(Foo &f); c) Foo(const Foo *f); d) Foo(const Foo &f); e) Foo(int); Quark 3
Shall we use 'free' to free memory assigned by new, What are the further consequences?? Symphony 5
Difference between Constructors and static constructors? IBM 3
What C++ libraries are you proficient with? Google 1
What is object slicing and how can we prevent it? Tech-Mahindra 2
program in c++ to input digits and print in words Microsoft 1
In a class, there is a reference or pointer of an object of another class embedded, and the memory is either allocated or assigned to the new object created for this class. In the constructor, parameters are passed to initialize the data members and the embedded object reference to get inialized. What measures or design change should be advised for proper destruction and avioding memory leaks, getting pointers dangling for the embedded object memory allocation? Please suggest. GE 5
Find out the bug in this code,because of that this code will not compile....... #include <iostream> #include <new> #include <cstring> using namespace std; class balance { double cur_bal; char name[80]; public: balance(double n, char *s) { cur_bal = n; strcpy(name, s); } ~balance() { cout << "Destructing "; cout << name << "\n"; } void set(double n, char *s) { cur_bal = n; strcpy(name, s); } void get_bal(double &n, char *s) { n = cur_bal; strcpy(s, name); } }; int main() { balance *p; char s[80]; double n; int i; try { p = new balance [3]; // allocate entire array } catch (bad_alloc xa) { cout << "Allocation Failure\n"; return 1; } Impetus 2
how is returning structurs from functions?Show an eg? GE 1
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