- 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
- startActivity (Activity)
- getApplicationContext (Context)
- System (java.lang)
Provides access to system-related information and resources including standard
input and output. Ena
- MessageFormat (java.text)
Produces concatenated messages in language-neutral way. New code should probably
use java.util.Forma
- SortedSet (java.util)
SortedSet is a Set which iterates over its elements in a sorted order. The order
is determined eithe
- Vector (java.util)
Vector is an implementation of List, backed by an array and synchronized. All
optional operations in
- ReentrantLock (java.util.concurrent.locks)
A reentrant mutual exclusion Lock with the same basic behavior and semantics as
the implicit monitor
- Collectors (java.util.stream)
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