- Reading from database using SQL prepared statement
- scheduleAtFixedRate (Timer)
- runOnUiThread (Activity)
- setContentView (Activity)
- RandomAccessFile (java.io)
Allows reading from and writing to a file in a random-access manner. This is
different from the uni-
- Connection (java.sql)
A connection represents a link from a Java application to a database. All SQL
statements and results
- Arrays (java.util)
This class contains various methods for manipulating arrays (such as sorting and
searching). This cl
- Calendar (java.util)
Calendar is an abstract base class for converting between a Date object and a
set of integer fields
- Set (java.util)
A Set is a data structure which does not allow duplicate elements.
- Semaphore (java.util.concurrent)
A counting semaphore. Conceptually, a semaphore maintains a set of permits. Each
#acquire blocks if
- Github Copilot alternatives