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- getSystemService (Context)
- orElseThrow (Optional)
Return the contained value, if present, otherwise throw an exception to be
created by the provided s
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This class represents a server-side socket that waits for incoming client
connections. A ServerSocke
- Set (java.util)
A Set is a data structure which does not allow duplicate elements.
- DataSource (javax.sql)
An interface for the creation of Connection objects which represent a connection
to a database. This
- IOUtils (org.apache.commons.io)
General IO stream manipulation utilities. This class provides static utility
methods for input/outpu
- DateTimeFormat (org.joda.time.format)
Factory that creates instances of DateTimeFormatter from patterns and styles.
Datetime formatting i
- Container (java.awt)
A generic Abstract Window Toolkit(AWT) container object is a component that can
contain other AWT co
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