- Running tasks concurrently on multiple threads
- addToBackStack (FragmentTransaction)
- runOnUiThread (Activity)
- getContentResolver (Context)
- System (java.lang)
Provides access to system-related information and resources including standard
input and output. Ena
- InetAddress (java.net)
An Internet Protocol (IP) address. This can be either an IPv4 address or an IPv6
address, and in pra
- URLEncoder (java.net)
This class is used to encode a string using the format required by
application/x-www-form-urlencoded
- SortedSet (java.util)
SortedSet is a Set which iterates over its elements in a sorted order. The order
is determined eithe
- Filter (javax.servlet)
A filter is an object that performs filtering tasks on either the request to a
resource (a servlet o
- IOUtils (org.apache.commons.io)
General IO stream manipulation utilities. This class provides static utility
methods for input/outpu
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