- Running tasks concurrently on multiple threads
- getSupportFragmentManager (FragmentActivity)
- getContentResolver (Context)
- onCreateOptionsMenu (Activity)
- System (java.lang)
Provides access to system-related information and resources including standard
input and output. Ena
- Collections (java.util)
This class consists exclusively of static methods that operate on or return
collections. It contains
- ResourceBundle (java.util)
ResourceBundle is an abstract class which is the superclass of classes which
provide Locale-specifi
- ZipFile (java.util.zip)
This class provides random read access to a zip file. You pay more to read the
zip file's central di
- Cipher (javax.crypto)
This class provides access to implementations of cryptographic ciphers for
encryption and decryption
- Servlet (javax.servlet)
Defines methods that all servlets must implement. A servlet is a small Java
program that runs within
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