- Updating database using SQL prepared statement
- getApplicationContext (Context)
- putExtra (Intent)
- getSharedPreferences (Context)
- URL (java.net)
A Uniform Resource Locator that identifies the location of an Internet resource
as specified by RFC
- Charset (java.nio.charset)
A charset is a named mapping between Unicode characters and byte sequences.
Every Charset can decode
- HashSet (java.util)
HashSet is an implementation of a Set. All optional operations (adding and
removing) are supported.
- TimerTask (java.util)
The TimerTask class represents a task to run at a specified time. The task may
be run once or repeat
- Color (java.awt)
The Color class is used to encapsulate colors in the default sRGB color space or
colors in arbitrary
- Window (java.awt)
A Window object is a top-level window with no borders and no menubar. The
default layout for a windo
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