- Making http post requests using okhttp
- getExternalFilesDir (Context)
- runOnUiThread (Activity)
- onCreateOptionsMenu (Activity)
- Selector (java.nio.channels)
A controller for the selection of SelectableChannel objects. Selectable channels
can be registered w
- Charset (java.nio.charset)
A charset is a named mapping between Unicode characters and byte sequences.
Every Charset can decode
- Path (java.nio.file)
- Connection (java.sql)
A connection represents a link from a Java application to a database. All SQL
statements and results
- ConcurrentHashMap (java.util.concurrent)
A plug-in replacement for JDK1.5 java.util.concurrent.ConcurrentHashMap. This
version is based on or
- Executors (java.util.concurrent)
Factory and utility methods for Executor, ExecutorService,
ScheduledExecutorService, ThreadFactory,
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