- Creating JSON documents from java classes using gson
- onCreateOptionsMenu (Activity)
- addToBackStack (FragmentTransaction)
- startActivity (Activity)
- ObjectMapper (com.fasterxml.jackson.databind)
ObjectMapper provides functionality for reading and writing JSON, either to and
from basic POJOs (Pl
- Component (java.awt)
A component is an object having a graphical representation that can be displayed
on the screen and t
- URI (java.net)
A Uniform Resource Identifier that identifies an abstract or physical resource,
as specified by RFC
- HashMap (java.util)
HashMap is an implementation of Map. All optional operations are supported.All
elements are permitte
- Iterator (java.util)
An iterator over a sequence of objects, such as a collection.If a collection has
been changed since
- Collectors (java.util.stream)
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