- Running tasks concurrently on multiple threads
- getApplicationContext (Context)
- findViewById (Activity)
- onRequestPermissionsResult (Fragment)
- ServerSocket (java.net)
This class represents a server-side socket that waits for incoming client
connections. A ServerSocke
- URI (java.net)
A Uniform Resource Identifier that identifies an abstract or physical resource,
as specified by RFC
- KeyStore (java.security)
KeyStore is responsible for maintaining cryptographic keys and their owners.
The type of the syste
- SortedSet (java.util)
SortedSet is a Set which iterates over its elements in a sorted order. The order
is determined eithe
- Executor (java.util.concurrent)
An object that executes submitted Runnable tasks. This interface provides a way
of decoupling task s
- Base64 (org.apache.commons.codec.binary)
Provides Base64 encoding and decoding as defined by RFC 2045.This class
implements section 6.8. Base
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