- Updating database using SQL prepared statement
- getApplicationContext (Context)
- addToBackStack (FragmentTransaction)
- getSystemService (Context)
- BitSet (java.util)
The BitSet class implements abit array [http://en.wikipedia.org/wiki/Bit_array].
Each element is eit
- Deque (java.util)
A linear collection that supports element insertion and removal at both ends.
The name deque is shor
- SortedSet (java.util)
SortedSet is a Set which iterates over its elements in a sorted order. The order
is determined eithe
- Cipher (javax.crypto)
This class provides access to implementations of cryptographic ciphers for
encryption and decryption
- ServletException (javax.servlet)
Defines a general exception a servlet can throw when it encounters difficulty.
- 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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