- Running tasks concurrently on multiple threads
- addToBackStack (FragmentTransaction)
- scheduleAtFixedRate (ScheduledExecutorService)
- getSharedPreferences (Context)
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A ConnectException is thrown if a connection cannot be established to a remote
host on a specific po
- Connection (java.sql)
A connection represents a link from a Java application to a database. All SQL
statements and results
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
- StringUtils (org.apache.commons.lang)
Operations on java.lang.String that arenull safe.
* IsEmpty/IsBlank - checks if a String contains
- JList (javax.swing)
- Runner (org.openjdk.jmh.runner)
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