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A connection represents a link from a Java application to a database. All SQL
statements and results
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Collection is the root of the collection hierarchy. It defines operations on
data collections and t
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Locale represents a language/country/variant combination. Locales are used to
alter the presentatio
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Timers schedule one-shot or recurring TimerTask for execution. Prefer
java.util.concurrent.Scheduled
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Factory and utility methods for Executor, ExecutorService,
ScheduledExecutorService, ThreadFactory,
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General IO stream manipulation utilities. This class provides static utility
methods for input/outpu
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