- Start an intent from android
- getSystemService (Context)
- onCreateOptionsMenu (Activity)
- getSupportFragmentManager (FragmentActivity)
- Deque (java.util)
A linear collection that supports element insertion and removal at both ends.
The name deque is shor
- HashMap (java.util)
HashMap is an implementation of Map. All optional operations are supported.All
elements are permitte
- Semaphore (java.util.concurrent)
A counting semaphore. Conceptually, a semaphore maintains a set of permits. Each
#acquire blocks if
- ReentrantLock (java.util.concurrent.locks)
A reentrant mutual exclusion Lock with the same basic behavior and semantics as
the implicit monitor
- Rectangle (java.awt)
A Rectangle specifies an area in a coordinate space that is enclosed by the
Rectangle object's top-
- JPanel (javax.swing)
- CodeWhisperer alternatives