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Provides access to system-related information and resources including standard
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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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The abstract base class for all number formats. This class provides the
interface for formatting and
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Calendar is an abstract base class for converting between a Date object and a
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A task that returns a result and may throw an exception. Implementors define a
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The GridBagLayout class is a flexible layout manager that aligns components
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