How to compile different languages source code files?

The biggest mistake beginners do while started learning to program is using fancy IDEs (Integrated Development Environment). You should use the terminal at least to know how a specific language code is being executed and what's going on behind the scenes. So in this blog, I am going to tell you how to execute source code for a few languages.

Requirements

1. Using notepad create the source code file for all the languages mentioned in this blog.
2. Make sure you have respected compilers installed on your computer and add the path in environment variables in order to use that compiler from anywhere.

Let's get started...

Open your terminal or command prompt, and change the current directory to the location where you created the source code file.

For example: If all of my source code files are in the Programming folder in Desktop.

c:\> cd Desktop\Programming

Output: c:\Desktop\Programming>

1. C

Type this command in the prompt. Replace hello with your file name. (Hoping you have gcc compiler installed)

c:\Desktop\Programming> gcc -o hello hello.c

The above command will create an executable file with the extension ".exe". Now type the file name to execute the program.

c:\Desktop\Programming> hello

Output: Hello world

2. C++

C++ has also the same procedure. Type this command in the prompt. Replace hello with your file name. (Hoping you have gcc compiler)

c:\Desktop\Programming> gcc -o hello hello.cpp

The above command will create an executable file with the extension ".exe". Now type the file name to execute the program.

c:\Desktop\Programming> hello

Output: Hello world

3. Java

To compile, run this command.

c:\Desktop\Programming> javac hello.java

After that hello.class file will be generated, to run the code type java <filename>

c:\Desktop\Programming> java hello

Output: Hello World

4. C#

Compile with this command

c:\Desktop\Programming> csc hello.cs

This will generate an executable file hello.exe. You can simply double-click it to open or type the file name.

c:\Desktop\Programming> hello

Output: Hello World

5. JavaScript

JavaScript is a browser-side language, you can use the console in the developer tools of your browser or use NodeJs. NodeJs is JavaScript run time, so you can execute JavaScript files using NodeJs. Here's how-

Note: Make sure you have NodeJs installed on your computer.

Open the terminal and simply type this command.

c:\Desktop\Programming> node hello.js

Output: Hello World

6. Go

c:\Desktop\Programming> go run hello.go

Output: Hello World

7. R

You can use Rscript to run R programs.

c:\Desktop\Programming> Rscript hello.R

Output: Hello World

8. Swift

c:\Desktop\Programming> swift hello.swift

Output: Hello World

9. Ruby

c:\Desktop\Programming> ruby hello.rb

Output: Hello World

10. PHP

c:\Desktop\Programming> php hello.php

Output: Hello World

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Hope this helps you! Save for reference.