- Start an intent from android
- addToBackStack (FragmentTransaction)
- getResourceAsStream (ClassLoader)
- getSharedPreferences (Context)
- URLConnection (java.net)
A connection to a URL for reading or writing. For HTTP connections, see
HttpURLConnection for docume
- SecureRandom (java.security)
This class generates cryptographically secure pseudo-random numbers. It is best
to invoke SecureRand
- Iterator (java.util)
An iterator over a sequence of objects, such as a collection.If a collection has
been changed since
- Map (java.util)
A Map is a data structure consisting of a set of keys and values in which each
key is mapped to a si
- 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
- FileUtils (org.apache.commons.io)
General file manipulation utilities. Facilities are provided in the following
areas: * writing to a
- Top 12 Jupyter Notebook extensions