question: public static char [ ] [ ] loadImage ( File file , char offChar ) throws FileNotFoundException , RuntimeException { ArrayList < String > rows = BooleanImageLoad . loadImagePad ( file , offChar ) ; String s = rows . get ( 0 ) ; char [ ] [ ] img = new char [ rows . size ( ) ] [ s . length ( ) ] ; for ( int i = 0 ; i < rows . size ( ) ; i ++ ) { s = rows . get ( i ) ; for ( int j = 0 ; j < s . length ( ) ; j ++ ) { img [ i ] [ j ] = s . charAt ( j ) ; } } return img ; }
target:  Load up a char-based image from the given file.