Can two objects have same hashcode?
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What are the Object and Class that classes used for?
How to create an interface?
Is multiple inheritance allowed in Java? Why ?
How to add and remove nodes in Jtree?
Can a class be defined inside an interface?
Difference between arraylist and hashset in java?
Why is the main method declared static?
What is sleep method?
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.
Static Variable can referred in non-static method?
What is a boolean structure?
What is the use of singleton?