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A Set is a data structure which does not allow duplicate elements.
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A java.util.Queue that additionally supports operations that wait for the queue
to become non-empty
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A Handler object accepts a logging request and exports the desired messages to a
target, for example
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Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
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The GridBagLayout class is a flexible layout manager that aligns components
vertically and horizonta
- GridLayout (java.awt)
The GridLayout class is a layout manager that lays out a container's components
in a rectangular gri
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