Minecraft has captured the attention of millions of gamers worldwide. It will often lead to kids developing a bigger interest in tech and coding, which is why we run our Minecraft coding camps and online courses.

When children learn with us online or in a classroom, a common question asked is whether Minecraft uses Java or JavaScript. In short, Minecraft uses Java as its primary programming language. The Java logo might be familiar if have ever seen the steaming coffee icon pop up on your computer, asking for your permission to install an update. 

Several programs on your computer will use Java to run, sometimes in conjunction with other languages.

But what about JavaScript?

In 2018, the Minecraft website announced how it’s scripting API was available for the public to use, and they said the following:

“The Minecraft Script Engine uses the JavaScript language. Scripts can be written and bundled with Behaviour Packs to listen and respond to game events, get (and modify) data in components that entities have, and affect different parts of the game.”

JavaScript is not used to run the core game mechanics. Instead, it is used for the game’s user interface and web-based features, such as the Minecraft Realms service. 

So, yes Minecraft can use JavaScript, but the core language is Java.

But Java isn’t the only coding language used by Minecraft.

Initially, Minecraft was developed using Java, but over the years a few key additions and tweaks have been made to the code. As an example, the Bedrock version of Minecraft was initially coded in C++, but it has been adapted in several other languages to work on other platforms, such as iOS. 

In addition, Minecraft Education Edition’s Hour of Code 2020 edition uses block-based or Python code to bring two villages together. Understanding what coding language Minecraft uses can be helpful for players who want to modify the game or create their own Minecraft mods – including children who take the FunTech coding courses.

A quick overview of the role of Java in Minecraft

Java is a general-purpose programming language designed to be platform independent. Java is also known for its security features, which makes it a secure choice for game development. This means that Java programs can run on any device that has a Java Virtual Machine (JVM) installed. This means Minecraft to be played on a wide range of devices, including desktop computers, laptops, and mobile devices.

Minecraft uses Java to create the game’s logic, graphics, and sound. Java is also used for modding, which allows players to modify the game to their liking. We actually run a Minecraft with Mods course, where kids can get to take advantage of the power of Java and modding in the game. Other Minecraft courses we run are Redstone Engineer and Minecraft Coder.

Minecraft uses Java for several reasons. Being a cross-platform language means the game can be played on many different platforms, including Windows, macOS, and Linux. This is important as Minecraft has such a large user base who use different devices.

Secondly, Java is a relatively simple language to learn, which makes it accessible to a wide range of developers, even children as it will help them learn how to code. As a result there are many people who can contribute to the development of the game, which in turn leads to a more vibrant and active community.

Lastly, Java is a secure language, which is important for a game like Minecraft that has a large online community. The game’s security features help to prevent cheating and hacking, which in turn helps to maintain the integrity of the game.

In conclusion, Java plays a crucial role in the development of Minecraft. It is used for creating the game’s logic, graphics, and sound, as well as for modding. Java’s cross-platform compatibility, ease of use, and security features make it an ideal choice for game development.

The role of JavaScript in Minecraft

Minecraft is not written in JavaScript, but it still has a role to play in the game. One example is the modding API, Minecraft Forge. Forge lets players to create their own mods using Java. However, it is also possible for them to use JavaScript to create mods for Minecraft, using a tool called ScriptCraft.

Why did the developers of Minecraft choose to use Java as the coding language?

The inventor of Minecraft Markus Persson, aka “Notch” is said to have chosen Java as it was easy for him to use, and would work across multiple platforms, including Windows, macOS, and Linux. The simplicity lent itself very well to developing Minecraft’s gameplay mechanics and user interface. 

How many lines of code are used in Minecraft?

Some estimates state that Minecraft has around 1.8 million lines of code. However, this number will vary depending on how the lines of code have been counted. Other sources we found claim that the latest version of Minecraft has between 200,000 to 500,000 lines of code.

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