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An input stream that reads bytes from a file.
File file = ...finally
if (in != null)
in.clos
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ArrayList is an implementation of List, backed by an array. All optional
operations including adding
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A linear collection that supports element insertion and removal at both ends.
The name deque is shor
- List (java.util)
An ordered collection (also known as a sequence). The user of this interface has
precise control ove
- ConcurrentHashMap (java.util.concurrent)
A plug-in replacement for JDK1.5 java.util.concurrent.ConcurrentHashMap. This
version is based on or
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A counting semaphore. Conceptually, a semaphore maintains a set of permits. Each
#acquire blocks if
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