- Running tasks concurrently on multiple threads
- getResourceAsStream (ClassLoader)
- orElseThrow (Optional)
Return the contained value, if present, otherwise throw an exception to be
created by the provided s
- putExtra (Intent)
- FileOutputStream (java.io)
An output stream that writes bytes to a file. If the output file exists, it can
be replaced or appen
- InputStream (java.io)
A readable source of bytes.Most clients will use input streams that read data
from the file system (
- Selector (java.nio.channels)
A controller for the selection of SelectableChannel objects. Selectable channels
can be registered w
- KeyStore (java.security)
KeyStore is responsible for maintaining cryptographic keys and their owners.
The type of the syste
- Arrays (java.util)
This class contains various methods for manipulating arrays (such as sorting and
searching). This cl
- Project (org.apache.tools.ant)
Central representation of an Ant project. This class defines an Ant project with
all of its targets,
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