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- getExternalFilesDir (Context)
- setContentView (Activity)
- setRequestProperty (URLConnection)
- Charset (java.nio.charset)
A charset is a named mapping between Unicode characters and byte sequences.
Every Charset can decode
- Properties (java.util)
A Properties object is a Hashtable where the keys and values must be Strings.
Each property can have
- Queue (java.util)
A collection designed for holding elements prior to processing. Besides basic
java.util.Collection o
- CountDownLatch (java.util.concurrent)
A synchronization aid that allows one or more threads to wait until a set of
operations being perfor
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
- ImageIO (javax.imageio)
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