- Updating database using SQL prepared statement
- onCreateOptionsMenu (Activity)
- findViewById (Activity)
- addToBackStack (FragmentTransaction)
- MessageDigest (java.security)
Uses a one-way hash function to turn an arbitrary number of bytes into a
fixed-length byte sequence.
- Locale (java.util)
Locale represents a language/country/variant combination. Locales are used to
alter the presentatio
- Random (java.util)
This class provides methods that return pseudo-random values.It is dangerous to
seed Random with the
- UUID (java.util)
UUID is an immutable representation of a 128-bit universally unique identifier
(UUID). There are mul
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
- FileUtils (org.apache.commons.io)
General file manipulation utilities. Facilities are provided in the following
areas: * writing to a
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