- Making http requests using okhttp
- runOnUiThread (Activity)
- getApplicationContext (Context)
- getContentResolver (Context)
- ObjectMapper (com.fasterxml.jackson.databind)
ObjectMapper provides functionality for reading and writing JSON, either to and
from basic POJOs (Pl
- InputStream (java.io)
A readable source of bytes.Most clients will use input streams that read data
from the file system (
- Callable (java.util.concurrent)
A task that returns a result and may throw an exception. Implementors define a
single method with no
- ReentrantLock (java.util.concurrent.locks)
A reentrant mutual exclusion Lock with the same basic behavior and semantics as
the implicit monitor
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
- Color (java.awt)
The Color class is used to encapsulate colors in the default sRGB color space or
colors in arbitrary
- Top 12 Jupyter Notebook extensions