- Running tasks concurrently on multiple threads
- addToBackStack (FragmentTransaction)
- startActivity (Activity)
- setRequestProperty (URLConnection)
- Date (java.util)
A specific moment in time, with millisecond precision. Values typically come
from System#currentTime
- Hashtable (java.util)
A plug-in replacement for JDK1.5 java.util.Hashtable. This version is based on
org.cliffc.high_scale
- TreeSet (java.util)
TreeSet is an implementation of SortedSet. All optional operations (adding and
removing) are support
- Semaphore (java.util.concurrent)
A counting semaphore. Conceptually, a semaphore maintains a set of permits. Each
#acquire blocks if
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
- BoxLayout (javax.swing)
- Github Copilot alternatives