- Creating JSON documents from java classes using gson
- onCreateOptionsMenu (Activity)
- orElseThrow (Optional)
Return the contained value, if present, otherwise throw an exception to be
created by the provided s
- startActivity (Activity)
- FileInputStream (java.io)
An input stream that reads bytes from a file.
File file = ...finally
if (in != null)
in.clos
- BigInteger (java.math)
An immutable arbitrary-precision signed integer.FAST CRYPTOGRAPHY
This implementation is efficient f
- DateFormat (java.text)
Formats or parses dates and times.This class provides factories for obtaining
instances configured f
- Set (java.util)
A Set is a data structure which does not allow duplicate elements.
- BlockingQueue (java.util.concurrent)
A java.util.Queue that additionally supports operations that wait for the queue
to become non-empty
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
- CodeWhisperer alternatives