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A Java representation of the SQL TIMESTAMP type. It provides the capability of
representing the SQL
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HashMap is an implementation of Map. All optional operations are supported.All
elements are permitte
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An object that executes submitted Runnable tasks. This interface provides a way
of decoupling task s
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This is the central class in the log4j package. Most logging operations, except
configuration, are d
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The Color class is used to encapsulate colors in the default sRGB color space or
colors in arbitrary
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The GridBagLayout class is a flexible layout manager that aligns components
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