- Making http requests using okhttp
- onCreateOptionsMenu (Activity)
- getSystemService (Context)
- getApplicationContext (Context)
- FileInputStream (java.io)
An input stream that reads bytes from a file.
File file = ...finally
if (in != null)
in.clos
- FileOutputStream (java.io)
An output stream that writes bytes to a file. If the output file exists, it can
be replaced or appen
- Charset (java.nio.charset)
A charset is a named mapping between Unicode characters and byte sequences.
Every Charset can decode
- Deque (java.util)
A linear collection that supports element insertion and removal at both ends.
The name deque is shor
- Semaphore (java.util.concurrent)
A counting semaphore. Conceptually, a semaphore maintains a set of permits. Each
#acquire blocks if
- JFileChooser (javax.swing)
- Top 12 Jupyter Notebook extensions