- Making http post requests using okhttp
- putExtra (Intent)
- findViewById (Activity)
- getSystemService (Context)
- DateFormat (java.text)
Formats or parses dates and times.This class provides factories for obtaining
instances configured f
- DecimalFormat (java.text)
A concrete subclass of NumberFormat that formats decimal numbers. It has a
variety of features desig
- HashSet (java.util)
HashSet is an implementation of a Set. All optional operations (adding and
removing) are supported.
- TreeMap (java.util)
Walk the nodes of the tree left-to-right or right-to-left. Note that in
descending iterations, next
- Container (java.awt)
A generic Abstract Window Toolkit(AWT) container object is a component that can
contain other AWT co
- 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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