- Running tasks concurrently on multiple threads
- getApplicationContext (Context)
- setRequestProperty (URLConnection)
- scheduleAtFixedRate (Timer)
- URI (java.net)
A Uniform Resource Identifier that identifies an abstract or physical resource,
as specified by RFC
- MessageDigest (java.security)
Uses a one-way hash function to turn an arbitrary number of bytes into a
fixed-length byte sequence.
- SimpleDateFormat (java.text)
Formats and parses dates in a locale-sensitive manner. Formatting turns a Date
into a String, and pa
- JarFile (java.util.jar)
JarFile is used to read jar entries and their associated data from jar files.
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
- Reference (javax.naming)
- Best IntelliJ plugins