- Making http requests using okhttp
- getApplicationContext (Context)
- startActivity (Activity)
- scheduleAtFixedRate (Timer)
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A connection represents a link from a Java application to a database. All SQL
statements and results
- SimpleDateFormat (java.text)
Formats and parses dates in a locale-sensitive manner. Formatting turns a Date
into a String, and pa
- TreeSet (java.util)
TreeSet is an implementation of SortedSet. All optional operations (adding and
removing) are support
- ZipFile (java.util.zip)
This class provides random read access to a zip file. You pay more to read the
zip file's central di
- LoggerFactory (org.slf4j)
The LoggerFactory is a utility class producing Loggers for various logging APIs,
most notably for lo
- BufferedImage (java.awt.image)
The BufferedImage subclass describes an java.awt.Image with an accessible buffer
of image data. All
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