cpp / beginner
Snippet
Printing Output with cout
The cout object from the iostream library sends data to the console. The << operator (called stream insertion) chains multiple values together. endln inserts a newline character and flushes the output buffer, ensuring the text appears immediately.
snippet.cpp
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#include <iostream>#include <string>int main() {std::cout << "Hello, World!" << std::endl;std::cout << "Welcome to C++" << std::endl;int age = 25;std::cout << "I am " << age << " years old." << std::endl;std::string name = "Max";std::cout << "My name is " << name << std::endl;return 0;}
Breakdown
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#include <iostream>
Includes the input/output stream library for cout and cin
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#include <string>
Includes the string class for text manipulation
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int main() {
Main function where program execution begins
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std::cout << "Hello, World!" << std::endl;
Prints text to console using stream insertion operator
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int age = 25;
Declares an integer variable to store age
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std::cout << "I am " << age << " years old." << std::endl;
Chains strings and variables for mixed output
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std::string name = "Max";
Creates a string variable to hold text data