- Making http requests using okhttp
- getSystemService (Context)
- getContentResolver (Context)
- getSupportFragmentManager (FragmentActivity)
- TimeZone (java.util)
TimeZone represents a time zone offset, and also figures out daylight savings.
Typically, you get a
- UUID (java.util)
UUID is an immutable representation of a 128-bit universally unique identifier
(UUID). There are mul
- Vector (java.util)
Vector is an implementation of List, backed by an array and synchronized. All
optional operations in
- Callable (java.util.concurrent)
A task that returns a result and may throw an exception. Implementors define a
single method with no
- Collectors (java.util.stream)
- Filter (javax.servlet)
A filter is an object that performs filtering tasks on either the request to a
resource (a servlet o
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