Answer Posted / dileep

In http servlet contains doget,dopost methods etc and it
takes two parameters only namely as
HttpServletRequest,HttpServletResponse and in Filter
concept contain one method has doFilter method .it takes 3
parameters namely as
HttpServletRequest,HttpServletResponse,FilterChain.the
Filter chain is use to convert one filter to another filter
Filters are mainly used for filtering the components and we
can do any modifications using Filters.

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For ease of programming you can consider the maze as a 2D array with colors represented by below integer and characters (in capital letters). • B - Black • W -White • G- Green • R- Red R B W B W W W W W W B W B B W W W W W W W B W B W W W B W W W W B B W W W B W W W B W W B B B B W B W B W W B W W W B W W W B B B W W B W W W B W W B W B W W W B W B W W W W B B W W W W B W W W W W G Shortest Route Problem: • Solution that finds the shortest Route between Red and Green  White will have 1 Weight.  Red and Green carry no weights.  Shortest path is the path with less weight when you add up the weights in the path.

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