- Creating JSON documents from java classes using gson
- getSystemService (Context)
- setContentView (Activity)
- findViewById (Activity)
- Set (java.util)
A Set is a data structure which does not allow duplicate elements.
- Cipher (javax.crypto)
This class provides access to implementations of cryptographic ciphers for
encryption and decryption
- SSLHandshakeException (javax.net.ssl)
The exception that is thrown when a handshake could not be completed
successfully.
- Servlet (javax.servlet)
Defines methods that all servlets must implement. A servlet is a small Java
program that runs within
- ServletException (javax.servlet)
Defines a general exception a servlet can throw when it encounters difficulty.
- Logger (org.apache.log4j)
This is the central class in the log4j package. Most logging operations, except
configuration, are d
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