- 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
- runOnUiThread (Activity)
- startActivity (Activity)
- DateFormat (java.text)
Formats or parses dates and times.This class provides factories for obtaining
instances configured f
- Collection (java.util)
Collection is the root of the collection hierarchy. It defines operations on
data collections and t
- HashMap (java.util)
HashMap is an implementation of Map. All optional operations are supported.All
elements are permitte
- Collectors (java.util.stream)
- Stream (java.util.stream)
A sequence of elements supporting sequential and parallel aggregate operations.
The following exampl
- Logger (org.apache.log4j)
This is the central class in the log4j package. Most logging operations, except
configuration, are d
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