- Creating JSON documents from java classes using gson
- getApplicationContext (Context)
- onRequestPermissionsResult (Fragment)
- setContentView (Activity)
- System (java.lang)
Provides access to system-related information and resources including standard
input and output. Ena
- Collections (java.util)
This class consists exclusively of static methods that operate on or return
collections. It contains
- Random (java.util)
This class provides methods that return pseudo-random values.It is dangerous to
seed Random with the
- TimerTask (java.util)
The TimerTask class represents a task to run at a specified time. The task may
be run once or repeat
- ServletException (javax.servlet)
Defines a general exception a servlet can throw when it encounters difficulty.
- Font (java.awt)
The Font class represents fonts, which are used to render text in a visible way.
A font provides the
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