How to play multiplayer in Minecraft, using either a public server or one you create yourself

You can play Minecraft solo, but it's much more fun with friends. Here's how to play multiplayer in Minecraft: Java Edition.
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Java’s Simple Web Server: Static HTTP servers made easy

Java 18's Simple Web Server lets you use a command-line tool or API to host files and more. Here's how it works. One of the handiest new features included in the Java 18 release (March 2022) was the ...