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Can you kindly provide me the reference to study about the rules? May be i could help you after reading the rules.

GROW 2 1
BROW 1 2
GOBW 4 0

If we compare GROW and BROW, only 1 character is replaced and if we compare GROW and GOBW, 2.
Now if we do BROW and GROW, again 1, BROW and GOBW, 3.
So shouldn't it...

I think you didn't read my comment above.

Or you can do


String val = Character.toString(charactervaluehere);

My bad with words. By type casting i meant Converting.

But you can type cast char to a String. Anyways, there can be other solutions too. But if you want to compare then try equality operator or type cast to String.