1. Namespaces:Namespaces are a feature in C++ that allow us to group related functions, classes, and variables under a single name. This helps in preventing naming conflicts and organizing code. We can create a namespace using the keyword "namespace" followed by the namespace name and enclosing the contents within curly braces. We can access the contents of a namespace using the scope resolution operator "::". For example:namespace myNamespace { int...
Showing posts with label tellg(). Show all posts
Showing posts with label tellg(). Show all posts
Tuesday, February 28, 2023
Tuesday, February 21, 2023
Explain the role of seekg(), seekp(), tellg(), and tellp() functions in the process of random access in a binary file. How can we open a text file and read from it.
Niraj shrestha
February 21, 2023
0
In C++, seekg(), seekp(), tellg(), and tellp() are functions that allow us to perform random access on a binary file.seekg() and seekp() are used to set the position of the read/write pointer in a file. seekg() sets the position of the input file pointer (ifstream), while seekp() sets the position of the output file pointer (ofstream). These functions take an offset value and a seek direction as parameters. The seek direction can be one of three values:ios::beg...