- Running tasks concurrently on multiple threads
- getResourceAsStream (ClassLoader)
- addToBackStack (FragmentTransaction)
- getSharedPreferences (Context)
- Connection (java.sql)
A connection represents a link from a Java application to a database. All SQL
statements and results
- Set (java.util)
A Set is a data structure which does not allow duplicate elements.
- SortedMap (java.util)
A map that has its keys ordered. The sorting is according to either the natural
ordering of its keys
- Stack (java.util)
Stack is a Last-In/First-Out(LIFO) data structure which represents a stack of
objects. It enables u
- ConcurrentHashMap (java.util.concurrent)
A plug-in replacement for JDK1.5 java.util.concurrent.ConcurrentHashMap. This
version is based on or
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
- Github Copilot alternatives