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Return the contained value, if present, otherwise throw an exception to be
created by the provided s
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A specialized Writer that writes to a file in the file system. All write
requests made by calling me
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Provides access to system-related information and resources including standard
input and output. Ena
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This class provides methods that return pseudo-random values.It is dangerous to
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The Font class represents fonts, which are used to render text in a visible way.
A font provides the
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