java.util and java.text. It also contains additional text formatting
classes for situations not covered by java.util or java.text.
  | DateFormat | Utility class for producing strings with formatted date/time. | 
| DateUtils | This class contains various date-related utilities for creating text for things like elapsed time and date ranges, strings for days of the week and months, and AM/PM text etc. | 
| Formatter | 
          Utility class to aid in formatting common values that are not covered
 by the Formatter class in java.util
 
          
    
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| Time | 
          
      This class was deprecated
      in API level 22.
    Use GregorianCalendar instead.
 
          
    
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