Answer Posted / ram

@Dhinesz :

First of all, a marker interface is an interface by implementing that interface the class will get special behaviour. And it doesn't mean that, marker interface always not have any methods. Ex: Runnable interface is a marker interface and it has run().

Clone() method is a part of Object class, and if you implement cloneable interface for your class, it will force you to override the clone().

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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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