- Running tasks concurrently on multiple threads
- putExtra (Intent)
- runOnUiThread (Activity)
- scheduleAtFixedRate (Timer)
- BufferedWriter (java.io)
Wraps an existing Writer and buffers the output. Expensive interaction with the
underlying reader is
- IOException (java.io)
Signals a general, I/O-related error. Error details may be specified when
calling the constructor, a
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
- ServletException (javax.servlet)
Defines a general exception a servlet can throw when it encounters difficulty.
- StringUtils (org.apache.commons.lang)
Operations on java.lang.String that arenull safe.
* IsEmpty/IsBlank - checks if a String contains
- Font (java.awt)
The Font class represents fonts, which are used to render text in a visible way.
A font provides the
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