- Start an intent from android
- setContentView (Activity)
- findViewById (Activity)
- orElseThrow (Optional)
Return the contained value, if present, otherwise throw an exception to be
created by the provided s
- BufferedWriter (java.io)
Wraps an existing Writer and buffers the output. Expensive interaction with the
underlying reader is
- FileOutputStream (java.io)
An output stream that writes bytes to a file. If the output file exists, it can
be replaced or appen
- URLConnection (java.net)
A connection to a URL for reading or writing. For HTTP connections, see
HttpURLConnection for docume
- NumberFormat (java.text)
The abstract base class for all number formats. This class provides the
interface for formatting and
- Collections (java.util)
This class consists exclusively of static methods that operate on or return
collections. It contains
- BlockingQueue (java.util.concurrent)
A java.util.Queue that additionally supports operations that wait for the queue
to become non-empty
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