- Making http post requests using okhttp
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- getExternalFilesDir (Context)
- getApplicationContext (Context)
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This SocketException may be thrown during socket creation or setting options,
and is the superclass
- SortedSet (java.util)
SortedSet is a Set which iterates over its elements in a sorted order. The order
is determined eithe
- TimerTask (java.util)
The TimerTask class represents a task to run at a specified time. The task may
be run once or repeat
- BlockingQueue (java.util.concurrent)
A java.util.Queue that additionally supports operations that wait for the queue
to become non-empty
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
- JFrame (javax.swing)
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