Wrong with my Code i think. it's not supposed to be like this :(

Hi! I watched Ulixava\'s Minecraft 2D platformer tutorial on youtube and got an Error.
There is actually no error but I think there\'s something i missed in the Tutorial. :(

Here\'s my Codes:

https://dl.dropbox.com/u/23888485/RPG/Block.java
https://dl.dropbox.com/u/23888485/RPG/Component.java
https://dl.dropbox.com/u/23888485/RPG/Level.java
https://dl.dropbox.com/u/23888485/RPG/Tile.java

And the problem is.. when i Open the application. it looks like this:

Attachment 1415

what's wrong with the code? :(

Please explain why you think there is something wrong? What do you want to see when the code executes?
Please post the code that shows the problem on the forum. Also post the full text of any error messages.