- Making http post requests using okhttp
- getContentResolver (Context)
- onCreateOptionsMenu (Activity)
- addToBackStack (FragmentTransaction)
- VirtualMachine (com.sun.tools.attach)
A Java virtual machine.
A VirtualMachine represents a Java virtual machine to which this Java vir
- File (java.io)
An "abstract" representation of a file system entity identified by a pathname.
The pathname may be a
- System (java.lang)
Provides access to system-related information and resources including standard
input and output. Ena
- MalformedURLException (java.net)
This exception is thrown when a program attempts to create an URL from an
incorrect specification.
- SecureRandom (java.security)
This class generates cryptographically secure pseudo-random numbers. It is best
to invoke SecureRand
- Semaphore (java.util.concurrent)
A counting semaphore. Conceptually, a semaphore maintains a set of permits. Each
#acquire blocks if
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