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A linear collection that supports element insertion and removal at both ends.
The name deque is shor
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LinkedHashMap is an implementation of Map that guarantees iteration order. All
optional operations a
- 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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Provides Base64 encoding and decoding as defined by RFC 2045.This class
implements section 6.8. Base
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