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A concrete subclass of NumberFormat that formats decimal numbers. It has a
variety of features desig
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A legacy iteration interface.New code should use Iterator instead. Iterator
replaces the enumeration
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A Properties object is a Hashtable where the keys and values must be Strings.
Each property can have
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The TimerTask class represents a task to run at a specified time. The task may
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A java.util.Queue that additionally supports operations that wait for the queue
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A task that returns a result and may throw an exception. Implementors define a
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