- Running tasks concurrently on multiple threads
- startActivity (Activity)
- putExtra (Intent)
- getContentResolver (Context)
- File (java.io)
An "abstract" representation of a file system entity identified by a pathname.
The pathname may be a
- Charset (java.nio.charset)
A charset is a named mapping between Unicode characters and byte sequences.
Every Charset can decode
- Locale (java.util)
Locale represents a language/country/variant combination. Locales are used to
alter the presentatio
- 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
- Component (java.awt)
A component is an object having a graphical representation that can be displayed
on the screen and t
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