- Making http requests using okhttp
- addToBackStack (FragmentTransaction)
- onRequestPermissionsResult (Fragment)
- getSystemService (Context)
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Allows reading from and writing to a file in a random-access manner. This is
different from the uni-
- Collections (java.util)
This class consists exclusively of static methods that operate on or return
collections. It contains
- Enumeration (java.util)
A legacy iteration interface.New code should use Iterator instead. Iterator
replaces the enumeration
- PriorityQueue (java.util)
A PriorityQueue holds elements on a priority heap, which orders the elements
according to their natu
- ReentrantLock (java.util.concurrent.locks)
A reentrant mutual exclusion Lock with the same basic behavior and semantics as
the implicit monitor
- Filter (javax.servlet)
A filter is an object that performs filtering tasks on either the request to a
resource (a servlet o
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