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ObjectMapper provides functionality for reading and writing JSON, either to and
from basic POJOs (Pl
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A collection designed for holding elements prior to processing. Besides basic
java.util.Collection o
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A counting semaphore. Conceptually, a semaphore maintains a set of permits. Each
#acquire blocks if
- Servlet (javax.servlet)
Defines methods that all servlets must implement. A servlet is a small Java
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This Graphics2D class extends the Graphics class to provide more sophisticated
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