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A thread is a thread of execution in a program. The Java Virtual Machine allows
an application to ha
- List (java.util)
An ordered collection (also known as a sequence). The user of this interface has
precise control ove
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A TimeUnit represents time durations at a given unit of granularity and provides
utility methods to
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Defines a general exception a servlet can throw when it encounters difficulty.
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Factory for creating Log instances, with discovery and configuration features
similar to that employ
- Logger (org.apache.log4j)
This is the central class in the log4j package. Most logging operations, except
configuration, are d
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