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An immutable arbitrary-precision signed decimal.A value is represented by an
arbitrary-precision "un
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A connection represents a link from a Java application to a database. All SQL
statements and results
- Timer (java.util)
Timers schedule one-shot or recurring TimerTask for execution. Prefer
java.util.concurrent.Scheduled
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A counting semaphore. Conceptually, a semaphore maintains a set of permits. Each
#acquire blocks if
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A TimeUnit represents time durations at a given unit of granularity and provides
utility methods to
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The Modifier class provides static methods and constants to decode class and
member access modifiers
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