- Running tasks concurrently on multiple threads
- getResourceAsStream (ClassLoader)
- getSystemService (Context)
- notifyDataSetChanged (ArrayAdapter)
- File (java.io)
An "abstract" representation of a file system entity identified by a pathname.
The pathname may be a
- InputStreamReader (java.io)
A class for turning a byte stream into a character stream. Data read from the
source input stream is
- BigInteger (java.math)
An immutable arbitrary-precision signed integer.FAST CRYPTOGRAPHY
This implementation is efficient f
- KeyStore (java.security)
KeyStore is responsible for maintaining cryptographic keys and their owners.
The type of the syste
- HashSet (java.util)
HashSet is an implementation of a Set. All optional operations (adding and
removing) are supported.
- Base64 (org.apache.commons.codec.binary)
Provides Base64 encoding and decoding as defined by RFC 2045.This class
implements section 6.8. Base
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