Reading Input Safely with getline
Use std::getline for line input and validate user input before using it.
Why Safe Input Matters
User input is the most common source of crashes. A wrong type, an empty line, or unexpected characters can all break a naive program. Defensive reading is essential.
std::getline Basics
std::getline(stream, line) reads characters until the next newline. The newline is consumed but not stored.
std::string line;
std::getline(std::cin, line);All lessons in this course
- Using std::cin and std::cout Properly
- Formatting Output with iomanip
- Reading Input Safely with getline
- Working with std::cerr and std::clog