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Editorial Team
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Asked: 2026-05-28T03:24:32+00:00

Every time I look at some Java source code, I find myself surfing in

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Every time I look at some Java source code, I find myself surfing in a folder that has folder that has folder that has folder in it etc. Why does Java require so many nested folders, which have nothing else in them except the new subfolder?

For example:
https://github.com/halfninja/android-dragcontrol3d/tree/master/src/uk/co/halfninja/android
That’s probably not the worst example, but there are two folders “uk” and “co” that just don’t make sense. I see this in Java sources only!

And for example minicraft: http://www.ludumdare.com/compo/ludum-dare-22/?action=preview&uid=398

import com.mojang.ld22.gfx.Font;
import com.mojang.ld22.gfx.Screen;
import com.mojang.ld22.gfx.SpriteSheet;

Why not just write:

import gfx.Font;
import gfx.Screen;
import gfx.SpriteSheet;

That’s so much cleaner.

(I have never programmed in Java.)

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1 Answer

  1. Editorial Team

    These are there to prevent conflicts with other jars. Having something like the company url in the package name makes it likely to be unique enough to not conflict with someone else’s package and classes.

    Your example is a good one, since it seems pretty reasonable to imagine two people thinking of using “gfx” as a package name and with classes like Font or Sprite. Now, if you wanted to use both of them, how could you since the package and class name would be the name?

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