- Updating database using SQL prepared statement
- getSupportFragmentManager (FragmentActivity)
- setRequestProperty (URLConnection)
- onRequestPermissionsResult (Fragment)
- System (java.lang)
Provides access to system-related information and resources including standard
input and output. Ena
- HashSet (java.util)
HashSet is an implementation of a Set. All optional operations (adding and
removing) are supported.
- BlockingQueue (java.util.concurrent)
A java.util.Queue that additionally supports operations that wait for the queue
to become non-empty
- 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.
- JPanel (javax.swing)
- Best plugins for Eclipse