If you learn Java and learn about MCP you will find it easy to make mods just like how it's easy to make plugins for Bukkit or Spigot servers.
EDIT: I read your post wrong adding mods to Minecraftis easy. You just need to download forge and find mods for your Minecraftversion.
Minecraft
Is it easy to mod MC?
Submitted by catchmeoutsidefam, 24-12-2017, 10:16 AM, Thread ID: 66420
Thread Closed
RE: Is it easy to mod MC? 17-02-2018, 02:02 AM This post was last modified: 17-02-2018, 02:07 AM by insertgoodnamehere #18
17-02-2018, 02:02 AM
#18 This post was last modified: 17-02-2018, 02:07 AM by insertgoodnamehere