- Creating JSON documents from java classes using gson
- orElseThrow (Optional)
Return the contained value, if present, otherwise throw an exception to be
created by the provided s
- getApplicationContext (Context)
- scheduleAtFixedRate (ScheduledExecutorService)
- InputStream (java.io)
A readable source of bytes.Most clients will use input streams that read data
from the file system (
- HashMap (java.util)
HashMap is an implementation of Map. All optional operations are supported.All
elements are permitte
- HashSet (java.util)
HashSet is an implementation of a Set. All optional operations (adding and
removing) are supported.
- Queue (java.util)
A collection designed for holding elements prior to processing. Besides basic
java.util.Collection o
- 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
- Container (java.awt)
A generic Abstract Window Toolkit(AWT) container object is a component that can
contain other AWT co
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