- Creating JSON documents from java classes using gson
- scheduleAtFixedRate (Timer)
- getApplicationContext (Context)
- getSupportFragmentManager (FragmentActivity)
- FileInputStream (java.io)
An input stream that reads bytes from a file.
File file = ...finally
if (in != null)
in.clos
- PrintWriter (java.io)
Wraps either an existing OutputStream or an existing Writerand provides
convenience methods for prin
- Locale (java.util)
Locale represents a language/country/variant combination. Locales are used to
alter the presentatio
- TimeZone (java.util)
TimeZone represents a time zone offset, and also figures out daylight savings.
Typically, you get a
- TimeUnit (java.util.concurrent)
A TimeUnit represents time durations at a given unit of granularity and provides
utility methods to
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
- Github Copilot alternatives