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- orElseThrow (Optional)
Return the contained value, if present, otherwise throw an exception to be
created by the provided s
- getApplicationContext (Context)
- getSystemService (Context)
- BufferedReader (java.io)
Wraps an existing Reader and buffers the input. Expensive interaction with the
underlying reader is
- ConnectException (java.net)
A ConnectException is thrown if a connection cannot be established to a remote
host on a specific po
- Charset (java.nio.charset)
A charset is a named mapping between Unicode characters and byte sequences.
Every Charset can decode
- Arrays (java.util)
This class contains various methods for manipulating arrays (such as sorting and
searching). This cl
- Collection (java.util)
Collection is the root of the collection hierarchy. It defines operations on
data collections and t
- Iterator (java.util)
An iterator over a sequence of objects, such as a collection.If a collection has
been changed since
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