- Running tasks concurrently on multiple threads
- putExtra (Intent)
- runOnUiThread (Activity)
- getExternalFilesDir (Context)
- Connection (java.sql)
A connection represents a link from a Java application to a database. All SQL
statements and results
- UUID (java.util)
UUID is an immutable representation of a 128-bit universally unique identifier
(UUID). There are mul
- ReentrantLock (java.util.concurrent.locks)
A reentrant mutual exclusion Lock with the same basic behavior and semantics as
the implicit monitor
- Servlet (javax.servlet)
Defines methods that all servlets must implement. A servlet is a small Java
program that runs within
- FileUtils (org.apache.commons.io)
General file manipulation utilities. Facilities are provided in the following
areas: * writing to a
- Reflections (org.reflections)
Reflections one-stop-shop objectReflections scans your classpath, indexes the
metadata, allows you t
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