- Updating database using SQL prepared statement
- setContentView (Activity)
- getSystemService (Context)
- getExternalFilesDir (Context)
- Connection (java.sql)
A connection represents a link from a Java application to a database. All SQL
statements and results
- SortedMap (java.util)
A map that has its keys ordered. The sorting is according to either the natural
ordering of its keys
- TreeSet (java.util)
TreeSet is an implementation of SortedSet. All optional operations (adding and
removing) are support
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
- IOUtils (org.apache.commons.io)
General IO stream manipulation utilities. This class provides static utility
methods for input/outpu
- BoxLayout (javax.swing)
- Top Vim plugins