- Making http post requests using okhttp
- getExternalFilesDir (Context)
- scheduleAtFixedRate (ScheduledExecutorService)
- getApplicationContext (Context)
- Calendar (java.util)
Calendar is an abstract base class for converting between a Date object and a
set of integer fields
- Set (java.util)
A Set is a data structure which does not allow duplicate elements.
- Vector (java.util)
Vector is an implementation of List, backed by an array and synchronized. All
optional operations in
- ConcurrentHashMap (java.util.concurrent)
A plug-in replacement for JDK1.5 java.util.concurrent.ConcurrentHashMap. This
version is based on or
- ReentrantLock (java.util.concurrent.locks)
A reentrant mutual exclusion Lock with the same basic behavior and semantics as
the implicit monitor
- BoxLayout (javax.swing)
- CodeWhisperer alternatives