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This exception is thrown when a program attempts to create an URL from an
incorrect specification.
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Calendar is an abstract base class for converting between a Date object and a
set of integer fields
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A PriorityQueue holds elements on a priority heap, which orders the elements
according to their natu
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A Properties object is a Hashtable where the keys and values must be Strings.
Each property can have
- Callable (java.util.concurrent)
A task that returns a result and may throw an exception. Implementors define a
single method with no
- Color (java.awt)
The Color class is used to encapsulate colors in the default sRGB color space or
colors in arbitrary
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