- Updating database using SQL prepared statement
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- getSupportFragmentManager (FragmentActivity)
- getSharedPreferences (Context)
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An output stream that writes bytes to a file. If the output file exists, it can
be replaced or appen
- SimpleDateFormat (java.text)
Formats and parses dates in a locale-sensitive manner. Formatting turns a Date
into a String, and pa
- GregorianCalendar (java.util)
GregorianCalendar is a concrete subclass of Calendarand provides the standard
calendar used by most
- Locale (java.util)
Locale represents a language/country/variant combination. Locales are used to
alter the presentatio
- Timer (java.util)
Timers schedule one-shot or recurring TimerTask for execution. Prefer
java.util.concurrent.Scheduled
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
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