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ObjectMapper provides functionality for reading and writing JSON, either to and
from basic POJOs (Pl
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An output stream that writes bytes to a file. If the output file exists, it can
be replaced or appen
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An exception that indicates a failed JDBC operation. It provides the following
information about pro
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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 plug-in replacement for JDK1.5 java.util.concurrent.ConcurrentHashMap. This
version is based on or
- Option (scala)
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