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Program to Open a file in C++:
int main()
{
char ch;
ifstream f1 ("OLDFILE.TXT");
ofstream f2 ("NEWFILE.TXT");
if (!f1) cerr << "Cannot open OLDFILE.TXT for input";
if (!f2) cerr << "Cannot open NEWFILE.TXT for output";
while (f2 && f1.get(ch))
f2.put(ch);
return 0;
}
example of friend
There is a pebble merchant. He sells the pebbles, that are used for shining the floor. His main duty is to take the length of the room’s sides. But he sometimes mistakes doing that
Tell what the derived class inherits or doesn't inherit? A: Inherits: - All data member defined in the parent class (even though such members might not always be accessible
Program of swapping two varibales: void swap(int *, int *); // This is swap's prototype int main() { int x = 5, y = 7; swap(&x, &
Q: But operator overloading makes class look ugly; isn't it assumed to make my code clearer? A: Operator overloading makes life simpler for the users of a class, not for develop
What is the real function of class - to export data? No, Real purpose of a class isn't to export data. Instead, it's to provide services. Class provides a way to abstract behav
Molecular dynamics for a Lennard-Jones system (in C++) 1. Write a function which reads in the input variables of a molecular dynamics simulation of a Lennard-Jones system. The inpu
I have a project in OS
Need help with C network program
What happens while a derived-class object is developed & destroyed? A: Space is allocated (on the heap or the stack) for the full object (i.e. adequate space to store the data m
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