- Making http requests using okhttp
- getExternalFilesDir (Context)
- requestLocationUpdates (LocationManager)
- notifyDataSetChanged (ArrayAdapter)
- KeyStore (java.security)
KeyStore is responsible for maintaining cryptographic keys and their owners.
The type of the syste
- ArrayList (java.util)
ArrayList is an implementation of List, backed by an array. All optional
operations including adding
- Collections (java.util)
This class consists exclusively of static methods that operate on or return
collections. It contains
- Properties (java.util)
A Properties object is a Hashtable where the keys and values must be Strings.
Each property can have
- ExecutorService (java.util.concurrent)
An Executor that provides methods to manage termination and methods that can
produce a Future for tr
- ThreadPoolExecutor (java.util.concurrent)
An ExecutorService that executes each submitted task using one of possibly
several pooled threads, n
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