Need XP fast in survival? This tutorial shows you how to build the easiest mob XP farm in Minecraft 1.21+ — no spawner ...

Boost your equipment with the infinite experience offered by the best Minecraft XP farms for 1.18 in both Bedrock and Java editions ...

Experience farms, also known as XP farms, are among the most efficient ways to gain levels in Minecraft and are, therefore, very useful for repairing tools and enchanting.

There's plenty of ways to obtain XP in Minecraft: Java Edition 1.18, but creating a farm for it is likely the best way to accrue a significant amount at once.