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ObjectMapper provides functionality for reading and writing JSON, either to and
from basic POJOs (Pl
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Fake signature of an existing Java class.
- Callable (java.util.concurrent)
A task that returns a result and may throw an exception. Implementors define a
single method with no
- Semaphore (java.util.concurrent)
A counting semaphore. Conceptually, a semaphore maintains a set of permits. Each
#acquire blocks if
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A flow layout arranges components in a left-to-right flow, much like lines of
text in a paragraph. F
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