- Running tasks concurrently on multiple threads
- startActivity (Activity)
- setRequestProperty (URLConnection)
- putExtra (Intent)
- File (java.io)
An "abstract" representation of a file system entity identified by a pathname.
The pathname may be a
- NumberFormat (java.text)
The abstract base class for all number formats. This class provides the
interface for formatting and
- HashMap (java.util)
HashMap is an implementation of Map. All optional operations are supported.All
elements are permitte
- 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
- FlowLayout (java.awt)
A flow layout arranges components in a left-to-right flow, much like lines of
text in a paragraph. F
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