- Finding current android device location
- onCreateOptionsMenu (Activity)
- scheduleAtFixedRate (Timer)
- putExtra (Intent)
- Calendar (java.util)
Calendar is an abstract base class for converting between a Date object and a
set of integer fields
- Collections (java.util)
This class consists exclusively of static methods that operate on or return
collections. It contains
- LinkedList (java.util)
Doubly-linked list implementation of the List and Dequeinterfaces. Implements
all optional list oper
- ReentrantLock (java.util.concurrent.locks)
A reentrant mutual exclusion Lock with the same basic behavior and semantics as
the implicit monitor
- JarFile (java.util.jar)
JarFile is used to read jar entries and their associated data from jar files.
- Runner (org.openjdk.jmh.runner)
- Best plugins for Eclipse