- Parsing JSON documents to java classes using gson
- getExternalFilesDir (Context)
- scheduleAtFixedRate (Timer)
- findViewById (Activity)
- Calendar (java.util)
Calendar is an abstract base class for converting between a Date object and a
set of integer fields
- TimerTask (java.util)
The TimerTask class represents a task to run at a specified time. The task may
be run once or repeat
- Vector (java.util)
Vector is an implementation of List, backed by an array and synchronized. All
optional operations in
- ReentrantLock (java.util.concurrent.locks)
A reentrant mutual exclusion Lock with the same basic behavior and semantics as
the implicit monitor
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
- JList (javax.swing)
- CodeWhisperer alternatives