- Running tasks concurrently on multiple threads
- getApplicationContext (Context)
- runOnUiThread (Activity)
- getSharedPreferences (Context)
- FileOutputStream (java.io)
An output stream that writes bytes to a file. If the output file exists, it can
be replaced or appen
- Connection (java.sql)
A connection represents a link from a Java application to a database. All SQL
statements and results
- SQLException (java.sql)
An exception that indicates a failed JDBC operation. It provides the following
information about pro
- PriorityQueue (java.util)
A PriorityQueue holds elements on a priority heap, which orders the elements
according to their natu
- Queue (java.util)
A collection designed for holding elements prior to processing. Besides basic
java.util.Collection o
- Timer (java.util)
Timers schedule one-shot or recurring TimerTask for execution. Prefer
java.util.concurrent.Scheduled
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