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Return the contained value, if present, otherwise throw an exception to be
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An immutable arbitrary-precision signed decimal.A value is represented by an
arbitrary-precision "un
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HashMap is an implementation of Map. All optional operations are supported.All
elements are permitte
- TreeMap (java.util)
Walk the nodes of the tree left-to-right or right-to-left. Note that in
descending iterations, next
- DataSource (javax.sql)
An interface for the creation of Connection objects which represent a connection
to a database. This
- Logger (org.apache.log4j)
This is the central class in the log4j package. Most logging operations, except
configuration, are d
- Menu (java.awt)
- Best IntelliJ plugins