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Allows reading from and writing to a file in a random-access manner. This is
different from the uni-
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Provides access to system-related information and resources including standard
input and output. Ena
- MessageFormat (java.text)
Produces concatenated messages in language-neutral way. New code should probably
use java.util.Forma
- HashSet (java.util)
HashSet is an implementation of a Set. All optional operations (adding and
removing) are supported.
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A counting semaphore. Conceptually, a semaphore maintains a set of permits. Each
#acquire blocks if
- Filter (javax.servlet)
A filter is an object that performs filtering tasks on either the request to a
resource (a servlet o
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