- Creating JSON documents from java classes using gson
- getSharedPreferences (Context)
- getExternalFilesDir (Context)
- findViewById (Activity)
- KeyStore (java.security)
KeyStore is responsible for maintaining cryptographic keys and their owners.
The type of the syste
- Calendar (java.util)
Calendar is an abstract base class for converting between a Date object and a
set of integer fields
- Collection (java.util)
Collection is the root of the collection hierarchy. It defines operations on
data collections and t
- Enumeration (java.util)
A legacy iteration interface.New code should use Iterator instead. Iterator
replaces the enumeration
- TimeZone (java.util)
TimeZone represents a time zone offset, and also figures out daylight savings.
Typically, you get a
- Table (com.google.common.collect)
A collection that associates an ordered pair of keys, called a row key and a
column key, with a sing
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