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A legacy iteration interface.New code should use Iterator instead. Iterator
replaces the enumeration
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A PriorityQueue holds elements on a priority heap, which orders the elements
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SortedSet is a Set which iterates over its elements in a sorted order. The order
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Patterns are compiled regular expressions. In many cases, convenience methods
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General file manipulation utilities. Facilities are provided in the following
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The GridBagLayout class is a flexible layout manager that aligns components
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