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Chinmay Bajikar
Ranch Hand

Joined: Dec 08, 2001
Posts: 159
How heavy is a TypeCasting operation?
Especially when I am doing Object typecasting?
String s = (String)vector.elementAt(0);
is efficient or
String s = vector.elementAt(0).toString();
is efficient.
Thanks in adv,

The strength of the Wolf is the pack & the strength of the pack is the wolf....Rudyard Kipling
Cindy Glass
"The Hood"

Joined: Sep 29, 2000
Posts: 8521
Casting is cheaper than most Method calls, but it has it's own set of problems.
You might want to read Java performance programming, Part 2: The cost of casting from JavaWorld

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subject: TypeCasting
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