- Running tasks concurrently on multiple threads
- putExtra (Intent)
- getExternalFilesDir (Context)
- getSystemService (Context)
- Permission (java.security)
Legacy security code; do not use.
- Dictionary (java.util)
Note: Do not use this class since it is obsolete. Please use the Map interface
for new implementatio
- List (java.util)
An ordered collection (also known as a sequence). The user of this interface has
precise control ove
- CountDownLatch (java.util.concurrent)
A synchronization aid that allows one or more threads to wait until a set of
operations being perfor
- ReentrantLock (java.util.concurrent.locks)
A reentrant mutual exclusion Lock with the same basic behavior and semantics as
the implicit monitor
- DataSource (javax.sql)
An interface for the creation of Connection objects which represent a connection
to a database. This
- CodeWhisperer alternatives