- Running tasks concurrently on multiple threads
- getSystemService (Context)
- scheduleAtFixedRate (Timer)
- setRequestProperty (URLConnection)
- PrintWriter (java.io)
Wraps either an existing OutputStream or an existing Writerand provides
convenience methods for prin
- ServerSocket (java.net)
This class represents a server-side socket that waits for incoming client
connections. A ServerSocke
- MessageFormat (java.text)
Produces concatenated messages in language-neutral way. New code should probably
use java.util.Forma
- HashMap (java.util)
HashMap is an implementation of Map. All optional operations are supported.All
elements are permitte
- ZipFile (java.util.zip)
This class provides random read access to a zip file. You pay more to read the
zip file's central di
- Annotation (javassist.bytecode.annotation)
The annotation structure.An instance of this class is returned bygetAnnotations() in AnnotationsAttr
- Best IntelliJ plugins