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ObjectMapper provides functionality for reading and writing JSON, either to and
from basic POJOs (Pl
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Provides access to system-related information and resources including standard
input and output. Ena
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The BitSet class implements abit array [http://en.wikipedia.org/wiki/Bit_array].
Each element is eit
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The TimerTask class represents a task to run at a specified time. The task may
be run once or repeat
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A counting semaphore. Conceptually, a semaphore maintains a set of permits. Each
#acquire blocks if
- StringUtils (org.apache.commons.lang)
Operations on java.lang.String that arenull safe.
* IsEmpty/IsBlank - checks if a String contains
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