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Tile based maps

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Hey guys

I'm looking for a good tutorial on how to make a simple tile based map in java. I have been searching google for 2 days now trying to find something that I can work with and still am coming up short. What I have now is a text file map.txt with 1s and 0s, 1s being a gray tile that is passable by the user sprite and 2 being a brown tile that is not. I made 2 png files for the tiles that are 80x80 px each. example of text follows
I understand that I need a 2d array that will hold the values of the map.text and can figure out the text file reader and delimiters ect, but I do not understand the paint part of the array at what point am I pointing the array values to the png images and after that how would I take the 0 0 index in the array that being a brown tile and paint it having to use an X/Y pos due to the fact that the x/y pos x = 0 / y=0 is a single pixel in the top left corner yet the image it self is 80x80px would I have to skip +80 X to the right then repaint and move down at the end of the row? I hope this all makes sense thanks
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