- Making http requests using okhttp
- scheduleAtFixedRate (Timer)
- findViewById (Activity)
- onCreateOptionsMenu (Activity)
- BufferedInputStream (java.io)
A BufferedInputStream adds functionality to another input stream-namely, the
ability to buffer the i
- FileOutputStream (java.io)
An output stream that writes bytes to a file. If the output file exists, it can
be replaced or appen
- FileReader (java.io)
A specialized Reader that reads from a file in the file system. All read
requests made by calling me
- IOException (java.io)
Signals a general, I/O-related error. Error details may be specified when
calling the constructor, a
- List (java.util)
An ordered collection (also known as a sequence). The user of this interface has
precise control ove
- Filter (javax.servlet)
A filter is an object that performs filtering tasks on either the request to a
resource (a servlet o
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