- Parsing JSON documents to java classes using gson
- runOnUiThread (Activity)
- getApplicationContext (Context)
- getSystemService (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
- Arrays (java.util)
This class contains various methods for manipulating arrays (such as sorting and
searching). This cl
- UUID (java.util)
UUID is an immutable representation of a 128-bit universally unique identifier
(UUID). There are mul
- GridLayout (java.awt)
The GridLayout class is a layout manager that lays out a container's components
in a rectangular gri
- JOptionPane (javax.swing)
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