- Creating JSON documents from java classes using gson
- putExtra (Intent)
- orElseThrow (Optional)
Return the contained value, if present, otherwise throw an exception to be
created by the provided s
- getSharedPreferences (Context)
- System (java.lang)
Provides access to system-related information and resources including standard
input and output. Ena
- UnknownHostException (java.net)
Thrown when a hostname can not be resolved.
- SecureRandom (java.security)
This class generates cryptographically secure pseudo-random numbers. It is best
to invoke SecureRand
- NumberFormat (java.text)
The abstract base class for all number formats. This class provides the
interface for formatting and
- TreeMap (java.util)
Walk the nodes of the tree left-to-right or right-to-left. Note that in
descending iterations, next
- 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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