- Running tasks concurrently on multiple threads
- getExternalFilesDir (Context)
- getSharedPreferences (Context)
- getResourceAsStream (ClassLoader)
- IOException (java.io)
Signals a general, I/O-related error. Error details may be specified when
calling the constructor, a
- ServerSocket (java.net)
This class represents a server-side socket that waits for incoming client
connections. A ServerSocke
- KeyStore (java.security)
KeyStore is responsible for maintaining cryptographic keys and their owners.
The type of the syste
- 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
- Collections (java.util)
This class consists exclusively of static methods that operate on or return
collections. It contains
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