- Making http post requests using okhttp
- setRequestProperty (URLConnection)
- getSupportFragmentManager (FragmentActivity)
- scheduleAtFixedRate (Timer)
- FileWriter (java.io)
A specialized Writer that writes to a file in the file system. All write
requests made by calling me
- HashMap (java.util)
HashMap is an implementation of Map. All optional operations are supported.All
elements are permitte
- LinkedList (java.util)
Doubly-linked list implementation of the List and Dequeinterfaces. Implements
all optional list oper
- Color (java.awt)
The Color class is used to encapsulate colors in the default sRGB color space or
colors in arbitrary
- 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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