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Signals a general, I/O-related error. Error details may be specified when
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Java representation of an SQL TIME value. Provides utilities to format and parse
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An object that executes submitted Runnable tasks. This interface provides a way
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Patterns are compiled regular expressions. In many cases, convenience methods
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Operations on java.lang.String that arenull safe.
* IsEmpty/IsBlank - checks if a String contains
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