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- startActivity (Activity)
- addToBackStack (FragmentTransaction)
- notifyDataSetChanged (ArrayAdapter)
- URLConnection (java.net)
A connection to a URL for reading or writing. For HTTP connections, see
HttpURLConnection for docume
- Date (java.util)
A specific moment in time, with millisecond precision. Values typically come
from System#currentTime
- Queue (java.util)
A collection designed for holding elements prior to processing. Besides basic
java.util.Collection o
- Executor (java.util.concurrent)
An object that executes submitted Runnable tasks. This interface provides a way
of decoupling task s
- ZipFile (java.util.zip)
This class provides random read access to a zip file. You pay more to read the
zip file's central di
- Logger (org.apache.log4j)
This is the central class in the log4j package. Most logging operations, except
configuration, are d
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