- Running tasks concurrently on multiple threads
- getResourceAsStream (ClassLoader)
- getSupportFragmentManager (FragmentActivity)
- setContentView (Activity)
- File (java.io)
An "abstract" representation of a file system entity identified by a pathname.
The pathname may be a
- FileWriter (java.io)
A specialized Writer that writes to a file in the file system. All write
requests made by calling me
- PrintWriter (java.io)
Wraps either an existing OutputStream or an existing Writerand provides
convenience methods for prin
- ServerSocket (java.net)
This class represents a server-side socket that waits for incoming client
connections. A ServerSocke
- Logger (org.apache.log4j)
This is the central class in the log4j package. Most logging operations, except
configuration, are d
- Color (java.awt)
The Color class is used to encapsulate colors in the default sRGB color space or
colors in arbitrary
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