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Answers and rating deltas for

Why do we write A.charAt(i) but not A.charAt[i]? And why do we write " - 'A' "?

Author Votes Δ
molbdnilo 1 +1.12
Aaron Digulla 0 -0.45
SMA 0 -0.31
Julian Kroné 0 -0.66
Naveen Kumar Alonekar 0 -0.11
Zahid Ali 0 -0.76
Luke SpringWalker 0 -0.66
Last visited: Apr 28, 2015, 12:35:36 PM