- Running tasks concurrently on multiple threads
- getResourceAsStream (ClassLoader)
- scheduleAtFixedRate (Timer)
- getSupportFragmentManager (FragmentActivity)
- PrintWriter (java.io)
Wraps either an existing OutputStream or an existing Writerand provides
convenience methods for prin
- URLConnection (java.net)
A connection to a URL for reading or writing. For HTTP connections, see
HttpURLConnection for docume
- HashMap (java.util)
HashMap is an implementation of Map. All optional operations are supported.All
elements are permitte
- Handler (java.util.logging)
A Handler object accepts a logging request and exports the desired messages to a
target, for example
- StringUtils (org.apache.commons.lang)
Operations on java.lang.String that arenull safe.
* IsEmpty/IsBlank - checks if a String contains
- Join (org.hibernate.mapping)
- Best plugins for Eclipse