March 27, 1997

Question: When I run the following program:#include main(){fstream printer1;printer1.open(“prn”, ios::out);printer1

Question: How can one do 64-bit or larger math calculations in C++? Do you know of a free class or class library that supports large scalar math? Answer: There are

Question: How do I send the output of my program to the standardprinter installed in Win95 or NT?Is it possible using the

Question: How can I write and delete individual lines of a text file?Also, how can I bubble-sort the whole text file alphabetically? Answer: There is no support in thelanguage to

Question: What is the best way to manipulate strings in C++? Answer: Here is an example.#include void foo (char *instring){ // Declare char array big enough to read in input

Question: How can I turn a text string into an integer? Answer: You can convert a string to an integer by using the atoi function. For example:void foo (){int i

Question: I have a class with multiple parents. In my copy constructor, should I invoke the parents’ copy constructor or their default constructor? Answer: In all but the rarest of

Question: What is the difference between cout

Question: How are Virtual Functions implemented in C++ ? What is a virtual table? Answer: Let me start by saying that the C++ language definition does not impose any implementation