In a Java 7 multicatch block what is the type of the caught exception?

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Yes, the type of ex is the most specific supertype of both CharacterCodingException and UnknownServiceException, which would be IOException.

Edit: Straight from the horse’s mouth on http://cr.openjdk.java.net/~darcy/ProjectCoin/ProjectCoin-Documentation-v0.83.html#multi_catch:

Informally, the lub (least upper bound) is the most specific supertype of the types in question.

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