- Creating JSON documents from java classes using gson
- getExternalFilesDir (Context)
- runOnUiThread (Activity)
- getContentResolver (Context)
- ObjectMapper (com.fasterxml.jackson.databind)
ObjectMapper provides functionality for reading and writing JSON, either to and
from basic POJOs (Pl
- FileOutputStream (java.io)
An output stream that writes bytes to a file. If the output file exists, it can
be replaced or appen
- HashSet (java.util)
HashSet is an implementation of a Set. All optional operations (adding and
removing) are supported.
- TimeZone (java.util)
TimeZone represents a time zone offset, and also figures out daylight savings.
Typically, you get a
- Collectors (java.util.stream)
- DateTimeFormat (org.joda.time.format)
Factory that creates instances of DateTimeFormatter from patterns and styles.
Datetime formatting i
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