- Running tasks concurrently on multiple threads
- orElseThrow (Optional)
Return the contained value, if present, otherwise throw an exception to be
created by the provided s
- findViewById (Activity)
- getResourceAsStream (ClassLoader)
- FileNotFoundException (java.io)
Thrown when a file specified by a program cannot be found.
- KeyStore (java.security)
KeyStore is responsible for maintaining cryptographic keys and their owners.
The type of the syste
- BitSet (java.util)
The BitSet class implements abit array [http://en.wikipedia.org/wiki/Bit_array].
Each element is eit
- LinkedHashMap (java.util)
LinkedHashMap is an implementation of Map that guarantees iteration order. All
optional operations a
- IOUtils (org.apache.commons.io)
General IO stream manipulation utilities. This class provides static utility
methods for input/outpu
- FlowLayout (java.awt)
A flow layout arranges components in a left-to-right flow, much like lines of
text in a paragraph. F
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