- Creating JSON documents from java classes using gson
- getApplicationContext (Context)
- setContentView (Activity)
- startActivity (Activity)
- ServerSocket (java.net)
This class represents a server-side socket that waits for incoming client
connections. A ServerSocke
- URL (java.net)
A Uniform Resource Locator that identifies the location of an Internet resource
as specified by RFC
- KeyStore (java.security)
KeyStore is responsible for maintaining cryptographic keys and their owners.
The type of the syste
- Permission (java.security)
Legacy security code; do not use.
- NumberFormat (java.text)
The abstract base class for all number formats. This class provides the
interface for formatting and
- Cipher (javax.crypto)
This class provides access to implementations of cryptographic ciphers for
encryption and decryption
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