- Making http requests using okhttp
- orElseThrow (Optional)
Return the contained value, if present, otherwise throw an exception to be
created by the provided s
- getSystemService (Context)
- getContentResolver (Context)
- System (java.lang)
Provides access to system-related information and resources including standard
input and output. Ena
- Comparator (java.util)
A Comparator is used to compare two objects to determine their ordering with
respect to each other.
- Hashtable (java.util)
Hashtable is a synchronized implementation of Map. All optional operations are
supported.Neither key
- LinkedList (java.util)
Doubly-linked list implementation of the List and Dequeinterfaces. Implements
all optional list oper
- Vector (java.util)
The Vector class implements a growable array of objects. Like an array, it
contains components that
- Executors (java.util.concurrent)
Factory and utility methods for Executor, ExecutorService,
ScheduledExecutorService, ThreadFactory,