- Making http post requests using okhttp
- getResourceAsStream (ClassLoader)
- runOnUiThread (Activity)
- getSharedPreferences (Context)
- FileOutputStream (java.io)
An output stream that writes bytes to a file. If the output file exists, it can
be replaced or appen
- Date (java.sql)
A class which can consume and produce dates in SQL Date format. Dates are
represented in SQL as yyyy
- DecimalFormat (java.text)
A concrete subclass of NumberFormat that formats decimal numbers. It has a
variety of features desig
- ConcurrentHashMap (java.util.concurrent)
A plug-in replacement for JDK1.5 java.util.concurrent.ConcurrentHashMap. This
version is based on or
- 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
- ImageIO (javax.imageio)
- Best IntelliJ plugins