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Begin Your Journey with C

To initiate your learning in C, you require the following:

  • A text editor for crafting C code
  • A compiler like GCC to convert the C code into a machine-understandable language

There are various text editors and compilers to select from. For this tutorial, an IDE (Integrated Development Environment) will be used by us.

Setting up the C IDE

An IDE is a software suite that consolidates the basic tools needed to write and test the code. Popular IDEs include Code::Blocks, Eclipse, and Visual Studio which are all free to use and facilitate both the editing and debugging of C code.

Note: Although web-based IDEs can be used, they typically have more limitations compared to their desktop counterparts.

We recommend starting with Code::Blocks. The latest version can be downloaded from here.

Let's Start with C

Create your first C file by following the steps below:

  1. Open Codeblocks
  2. Go to File > New > Empty File
  3. Write the following C code and save the file as myfirstprogram.c:
#include <stdio.h>, int main() { printf("Welcome to Fynd Academy!"); return 0;}

The above code might seem incomprehensible for now, we'll break it down in later chapters. For now, concentrate on running the code.

Executing Your Code

After writing the code, it's time to run it. In Codeblocks, navigate to Build > Build and Run. Your result will look something like this:

Welcome to Fynd Academy!

Great job! You've just written and executed your first C program.

Your C Learning Journey with Fynd Academy

Learning C with Fynd Academy is facilitated by our "Practice it Yourself" tool. It concurrently illustrates the code and the outcome, simplifying every new part you learn:

#include <stdio.h>int main() { printf("Welcome to Fynd Academy!"); return 0;} Welcome to Fynd Academy!

Practice it Yourself »

Fynd Academy Pathfinder

Track your progress as you embark on your learning journey. Best of all, it's complimentary!

Fynd Academy C Enumeration (enum) <strong>C Enums</strong> An enum, short for "enumerations", represents a group of constants (values that don't change). Here's how to create an enum: <code>enum Level {  LOW,  MEDIUM,  HIGH};</code> The last item in an enum list does not need a comma. Though not mandatory, it's common practice to use uppercase for enum items. To use the enum, create an enum variable: <code>enum Level myVar;</code> After creating the enum variable (myVar in this example), you can assign a specific item from the enum to it (e.g., LOW, MEDIUM, or HIGH): <code>enum Level myVar = MEDIUM;</code> By default, items in an enum begin with a value of 0 and increase by 1 with each subsequent item. So, in our example, LOW is 0, MEDIUM is 1, and HIGH is 2: <code>int main() {  // Create an enum variable and assign a value to it  enum Level myVar = MEDIUM; // Print the enum variable  printf("%d", myVar);  return 0;}</code> <strong>Changing Values</strong> You can assign different values to the items in your enum: <code> enum Level {  LOW = 25,  MEDIUM = 50,  HIGH = 75 }; printf("%d", myVar); // Now outputs 50 </code> Updating a value for one item will also affect the values for subsequent items in an enum: <code>enum Level {  LOW = 5,  MEDIUM, // Now 6  HIGH // Now 7 };</code> <strong>Enum in a Switch Statement</strong> Another common application for enums is in switch statements, where they can be used to check for specific values: <code>enum Level {  LOW = 1,  MEDIUM,  HIGH}; int main() {  enum Level myVar = MEDIUM;  switch (myVar) {  case 1:printf("Low Level");break;  case 2:printf("Medium level");break;  case 3:printf("High Level");break; } return 0;}</code> <strong>Why and When to Use Enums?</strong> Enums make code easier to read and maintain by allowing programmers to assign names to constants. They're ideal in contexts where values are unchangeable–like days of the week, colors, playing cards, etc. Pathfinder Track your progress—it's free!