C Language

Part of the Fundamentals section of Coddy's C journey. Lesson 1 of 63.

C is one of the oldest and most widely used programming languages, and a great deal of the software you use every day is built on it.

Challenge

Beginner

Welcome to your first C program! The code is already written for you.

What to do:

Look at the code: printf("Hello C!\n");
Press the Run Code button to execute it
You should see Hello C! appear in the output

Try it yourself

#include <stdio.h>

int main() {
    // Welcome! printf() prints text to the screen.
    // The \n at the end moves to a new line.
    // Run this code to see the result:
    printf("Hello C!\n");
    return 0;
}

All lessons in Fundamentals

1Introduction

C LanguageHello World!Comments Basic Program Structure

4Control Flow

If Statement If - Else Else-If Switch Case Ternary Conditional Operator Recap Challenge Nested If - Else

7Functions

Declare a Function Return Types Parameters Recap Challenge #1 Recursion Basics Function Prototypes Recap Challenge #2

Practice on your own: Online C compiler