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- startActivity (Activity)
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A connection to a URL for reading or writing. For HTTP connections, see
HttpURLConnection for docume
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A charset is a named mapping between Unicode characters and byte sequences.
Every Charset can decode
- Date (java.sql)
A class which can consume and produce dates in SQL Date format. Dates are
represented in SQL as yyyy
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Calendar is an abstract base class for converting between a Date object and a
set of integer fields
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TreeSet is an implementation of SortedSet. All optional operations (adding and
removing) are support
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