Caronte

Yes, of course you cannot edit them. They are part of libraries that Minecraft uses resp. part of Minecraft itself. You cannot just edit other people's code. And why i saw people editing it? in tutorials all this .class is .jar, and they edit by it. i still don't understanding. diesieben07, i cant understand it too, i dont know what is EntityJoinWorldEvent. as i said, i'm beginner.

And what i do to edit (create) mods? like put the arrow entity to explode with the primedTnt method?

I dont explained well... inside the .jar archive there's not .java file to edit... How can i edit the entities? i cant edit files .class any mistake, sorry, i'm beginner, i dont know much

Hi, someone can help me? I make all steps and repeat again, but everytime that i open the eclipse, i can't find .java archives, im my project explorer i found only .classes Some prints: