- Making http requests using okhttp
- scheduleAtFixedRate (ScheduledExecutorService)
- setRequestProperty (URLConnection)
- notifyDataSetChanged (ArrayAdapter)
- FileOutputStream (java.io)
An output stream that writes bytes to a file. If the output file exists, it can
be replaced or appen
- Charset (java.nio.charset)
A charset is a named mapping between Unicode characters and byte sequences.
Every Charset can decode
- Permission (java.security)
Legacy security code; do not use.
- SimpleDateFormat (java.text)
Formats and parses dates in a locale-sensitive manner. Formatting turns a Date
into a String, and pa
- Stack (java.util)
Stack is a Last-In/First-Out(LIFO) data structure which represents a stack of
objects. It enables u
- 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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