- Making http requests using okhttp
- startActivity (Activity)
- getSystemService (Context)
- getSupportFragmentManager (FragmentActivity)
- Socket (java.net)
Provides a client-side TCP socket.
- Connection (java.sql)
A connection represents a link from a Java application to a database. All SQL
statements and results
- Time (java.sql)
Java representation of an SQL TIME value. Provides utilities to format and parse
the time's represen
- Queue (java.util)
A collection designed for holding elements prior to processing. Besides basic
java.util.Collection o
- Semaphore (java.util.concurrent)
A counting semaphore. Conceptually, a semaphore maintains a set of permits. Each
#acquire blocks if
- Cipher (javax.crypto)
This class provides access to implementations of cryptographic ciphers for
encryption and decryption
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