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ObjectMapper provides functionality for reading and writing JSON, either to and
from basic POJOs (Pl
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A controller for the selection of SelectableChannel objects. Selectable channels
can be registered w
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The abstract base class for all number formats. This class provides the
interface for formatting and
- Callable (java.util.concurrent)
A task that returns a result and may throw an exception. Implementors define a
single method with no
- AtomicInteger (java.util.concurrent.atomic)
An int value that may be updated atomically. See the java.util.concurrent.atomic
package specificati
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General IO stream manipulation utilities. This class provides static utility
methods for input/outpu
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