- Making http post requests using okhttp
- getExternalFilesDir (Context)
- getResourceAsStream (ClassLoader)
- onCreateOptionsMenu (Activity)
- ObjectMapper (com.fasterxml.jackson.databind)
ObjectMapper provides functionality for reading and writing JSON, either to and
from basic POJOs (Pl
- KeyStore (java.security)
KeyStore is responsible for maintaining cryptographic keys and their owners.
The type of the syste
- SimpleDateFormat (java.text)
Formats and parses dates in a locale-sensitive manner. Formatting turns a Date
into a String, and pa
- Enumeration (java.util)
A legacy iteration interface.New code should use Iterator instead. Iterator
replaces the enumeration
- Map (java.util)
A Map is a data structure consisting of a set of keys and values in which each
key is mapped to a si
- Vector (java.util)
Vector is an implementation of List, backed by an array and synchronized. All
optional operations in
- Top 12 Jupyter Notebook extensions