- Making http requests using okhttp
- getSupportFragmentManager (FragmentActivity)
- getSharedPreferences (Context)
- addToBackStack (FragmentTransaction)
- RandomAccessFile (java.io)
Allows reading from and writing to a file in a random-access manner. This is
different from the uni-
- System (java.lang)
Provides access to system-related information and resources including standard
input and output. Ena
- Connection (java.sql)
A connection represents a link from a Java application to a database. All SQL
statements and results
- Executors (java.util.concurrent)
Factory and utility methods for Executor, ExecutorService,
ScheduledExecutorService, ThreadFactory,
- Options (org.apache.commons.cli)
Main entry-point into the library.
Options represents a collection of Option objects, which describ
- Logger (org.apache.log4j)
This is the central class in the log4j package. Most logging operations, except
configuration, are d
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