C++ Tutor

Basics

C++ Running Code

Running C++ Code

C++ code runs via g++ or Visual Studio with .cpp files.

Introduction to Running C++ Code

Running C++ code involves compiling the source files into an executable program. This can be achieved using different tools depending on your development environment. Two popular options are:

  • g++: A widely-used compiler from the GNU Compiler Collection.
  • Visual Studio: An integrated development environment (IDE) from Microsoft.

Running C++ Code with g++

The g++ compiler is a command-line tool that allows you to compile C++ code into executable files. Follow these steps to run a C++ program using g++:

1. Save your C++ code in a file with a .cpp extension, e.g., hello.cpp.

2. Open a terminal and navigate to the directory where your file is saved.

3. Compile the code using g++:

This command compiles hello.cpp into an executable named hello.

4. Run the compiled program:

This will execute the program, and you should see the output Hello, World! on your terminal.

Running C++ Code in Visual Studio

Visual Studio provides a graphical interface to run C++ code, making it easier for beginners. Here’s how to run a C++ program using Visual Studio:

  1. Open Visual Studio and create a new project.
  2. Select "Console App" from the C++ templates and click "Next".
  3. Enter a project name and click "Create".
  4. Write or paste your C++ code into the main.cpp file.
  5. Press Ctrl + F5 to compile and run your program.

The output will appear in the console window inside Visual Studio.

Conclusion

Running C++ code is a straightforward process once you understand the tools available. Whether using g++ on the command line or Visual Studio, you can quickly compile and execute your programs. Experiment with both methods to find the one that best suits your workflow.

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