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Legacy security code; do not use.
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Vector is an implementation of List, backed by an array and synchronized. All
optional operations in
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Factory and utility methods for Executor, ExecutorService,
ScheduledExecutorService, ThreadFactory,
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Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
- StringUtils (org.apache.commons.lang)
Operations on java.lang.String that arenull safe.
* IsEmpty/IsBlank - checks if a String contains
- Component (java.awt)
A component is an object having a graphical representation that can be displayed
on the screen and t
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