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Return the contained value, if present, otherwise throw an exception to be
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ObjectMapper provides functionality for reading and writing JSON, either to and
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A class for turning a byte stream into a character stream. Data read from the
source input stream is
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An interface for the creation of Connection objects which represent a connection
to a database. This
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This is the central class in the log4j package. Most logging operations, except
configuration, are d
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A collection that associates an ordered pair of keys, called a row key and a
column key, with a sing
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A Java virtual machine.
A VirtualMachine represents a Java virtual machine to which this Java vir
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