- Running tasks concurrently on multiple threads
- onCreateOptionsMenu (Activity)
- getContentResolver (Context)
- getExternalFilesDir (Context)
- Connection (java.sql)
A connection represents a link from a Java application to a database. All SQL
statements and results
- Timer (java.util)
Timers schedule one-shot or recurring TimerTask for execution. Prefer
java.util.concurrent.Scheduled
- ReentrantLock (java.util.concurrent.locks)
A reentrant mutual exclusion Lock with the same basic behavior and semantics as
the implicit monitor
- Manifest (java.util.jar)
The Manifest class is used to obtain attribute information for a JarFile and its
entries.
- Logger (org.slf4j)
The org.slf4j.Logger interface is the main user entry point of SLF4J API. It is
expected that loggin
- BoxLayout (javax.swing)
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